3 and three are used in many contexts:

As a number or year

• 3 is a number, numeral, and glyph
• 3 (year) also refers to the year AD 3

1+1 ... A number is an abstract entity used originally to describe quantity. ... A numeral is a symbol or group of symbols that represents a number. ... These are the astrological glyphs as most commonly used in Western Astrology A glyph is a carved figure or character, incised or in relief; a carved pictograph; hence, a pictograph representing a form originally adopted for sculpture, whether carved or painted. ...   This article is about the year 3. ...

In a name

• Three-toed woodpecker
• Triceratops - a dinosaur
• Ternary logic - a computing system using base three
• Triangulum and Triangulum Australe - constellations
• 3 (band) - a rock band formed by Keith Emerson, Robert Berry and Carl Palmer
• 3 (telecommunications) - a 3G operator in Europe, Australia and Hong Kong
• Three (album)
• Three (film)
• Three (2004 film)
• Three (novel)
• threedegrees - an instant messaging software created by Microsoft
• Three Gorges
• Three Kingdoms
• The Three Stooges
• threedegrees - an instant messaging software created by Microsoft
• Three-letter abbreviations and acronyms (TLA)
• Three Links
• Three of a kind - a term used in poker, and also a pop/rap group based in the UK (see Three of a kind (rap group))
• Three Principles of the People
• Three Represents
• Three's Company - an American sitcom
• G3 - Guitar tour

Binomial name Picoides tridactylus (Linnaeus,, 1758) The Three-toed Woodpecker, Picoides tridactylus, is a medium-sized woodpecker. ... Jump to: navigation, search Species See text. ... Ternary logic is a multi-valued logic in which there are three truth values indicating true, false and unknown. ... Triangulum is a small northern constellation whose three brightest stars, of third and fourth magnitude, form an elongated triangle. ... Triangulum Australe is a small southern constellation whose three brightest stars, of second and third magnitude, form an approximately equilateral triangle. ... Jump to: navigation, search 3 is an experimental/progressive rock band from Woodstock, New York. ... Jump to: navigation, search Rock group (or later rock band) is a generic name to describe a group of musicians specializing in a particular form of electronically amplified music. ... Jump to: navigation, search Keith Emerson Keith Emerson (born November 2, 1944) is a British keyboard player and composer. ... Robert Berry is a rock musician, not to be confused with Richard Berry. ... Jump to: navigation, search Carl Palmer (born Carl Fredrick Kendall Palmer in Birmingham, England on March 20, 1950) is a percussionist. ... An advertisement for 3 in which Leon Lai, a Hong Kong-based Cantopop singer is the pinup. ... Jump to: navigation, search 3G (or 3-G) is short for third-generation mobile telephone technology. ... Three (3 or III) is the title of numerous albums: III by Led Zeppelin, 1970. ... Three (Chinese title: 三更) is an international movie made up of three segments, released in 2002. ... Three Degrees is a communication application produced by Microsoft. ... Jump to: navigation, search A screenshot of PowWow, one of the first instant messengers with a graphical user interface Instant messaging is the act of instantly communicating between two or more people over a network such as the Internet. ... Computer software (or simply software) refers to one or more computer programs and data held in the storage of a computer for some purpose. ... Jump to: navigation, search Microsoft Corporation (NASDAQ: MSFT) (HKSE: 4338) is the worlds largest software company, with global annual sales in the tens of billions of US dollars and nearly 60,000 employees in more than 90 countries. ... The Three Gorges (三峡) area is a scenic area along the Yangtze river in China with a total length of 193 km. ... The Three Kingdoms period (Simplified Chinese: 三国; Traditional Chinese: 三國; Pinyin Sānguó) is a period in the history of China. ... The Three Stooges was an American comedy act in the 20th century. ... Three Degrees is a communication application produced by Microsoft. ... Jump to: navigation, search A screenshot of PowWow, one of the first instant messengers with a graphical user interface Instant messaging is the act of instantly communicating between two or more people over a network such as the Internet. ... Computer software (or simply software) refers to one or more computer programs and data held in the storage of a computer for some purpose. ... Jump to: navigation, search Microsoft Corporation (NASDAQ: MSFT) (HKSE: 4338) is the worlds largest software company, with global annual sales in the tens of billions of US dollars and nearly 60,000 employees in more than 90 countries. ... Jump to: navigation, search It has been suggested that Acronym and initialism be merged into this article or section. ... Acronyms and initialisms are abbreviations formed from the initial letter or letters of words, such as NATO and XHTML, and are pronounced in a way that is distinct from the full pronunciation of what the letters stand for. ... The TLA (three-letter acronym or three-letter abbreviation) is the most popular type of abbreviation in technical terminology, and is also very common in general language. ... The Three Links or Three Linkages (Chinese: 三通; pinyin: sān tōng) are direct postal (通郵 tōng yóu), transportation (especially airline) (通航 tōng háng), and trade (通商 tōng shāng) links between Mainland China and Taiwan. ... Three of a kind is a poker hand such as 2♦ 2♠ 2♥ K♠ 6♠, which contains three cards of the same rank, plus two unmatched cards. ... Jump to: navigation, search Wikibooks Poker has more about this subject: Poker Poker is a card game, the most popular of a class of games called vying games, in which players with fully or partially concealed cards make wagers into a central pot, which is awarded to the remaining player... Jump to: navigation, search This article needs to be cleaned up to conform to a higher standard of quality. ... Jump to: navigation, search Rap sucks ... The Three Principles of the People (Traditional Chinese: 三民主義 ; Pinyin: Sān Mín ZhÇ”yì ; Wade-Giles: San-min Chu-i), also translated as Three Peoples Principles, or collectively Sanmin Doctrine, is a political philosophy developed by Sun Yat-sen as part of a program to make China a... The Three Represents (Simplified Chinese: 三个代表; Traditional Chinese: 三個代表; pinyin: sān gè dài biÇŽo) is a policy developed by Jiang Zemin for the Communist Party of China. ... Threes Company is an American sitcom that ran from 1977 to 1984 on ABC. // Basic description The show was a remake of the British sitcom Man About the House and revolved around two women and a man sharing an apartment together. ... Jump to: navigation, search A sitcom or situation comedy is a genre of comedy performance originally devised for radio but today typically found on television. ... G3 is an annual live music show and guitar tour featuring three select guitarists of the generation; hence its name. ...

In a term or phrase

• 3-D - three-dimensional, particularly with respect to graphics and images
• Hendiatris - a rhetorical figure employing three words for one thing
• Trireme - a seafaring vessel (with three sails?), captained by a Trierarch
• Three-spine stickleback - a type of fish
• Triangulation - using the geometry of multiple sightings to determine one's location.
• Triassic Period - geologic time
• Triceps - a muscle
• Triclinium - a couch to three sides of table
• Trillion - 10¹² (American) 10¹⁸ (British)
• Trilobite - a marine arthropod
• Trigeminus - trigeminal nerve
• Trigon - triangular harp
• Trigonometry - a branch of mathematics
• Three Years of Natural Disasters
• the Three Rs (Reading, wRiting and aRithmetic)

Desert style landscape early morning rendered in terragen 3-D or 3D abbreviates three-dimensional and is often related to a stereoscopic display that exploits binocular vision. ... Hendiatris (Greek for one through three) is a figure of speech used for emphasis, in which three words are used to express one idea. ... A figure of speech, sometimes termed a rhetorical figure or device, or elocution, is a word or phrase that departs from straightforward, literal language. ... A Greek trireme A Roman trireme Triremes were ancient war galleys with three rows of oars on each side. ... A Greek trireme Triremes were ancient war galleys with three rows of oars on each side. ... Genera Apeltes Culaea Gasterosteus Pungitius Spinachia The Gasterosteidae are a family of fishes including the Sticklebacks. ... Jump to: navigation, search Groups Conodonta Hyperoartia Petromyzontidae (lampreys) Pteraspidomorphi (early jawless fish) Thelodonti Anaspida Cephalaspidomorphi (early jawless fish) Galeaspida Pituriaspida Osteostraci Gnathostomata (jawed vertebrates) Placodermi Chondrichthyes (cartilaginous fish) Acanthodii Osteichthyes (bony fish) Actinopterygii (ray-finned fish) Sarcopterygii (lobe-finned fish) Actinistia (coelacanths) Dipnoi (lungfish) A fish is a poikilothermic... Triangulation can be used to find the distance from the shore to the ship. ... The Triassic is a Geologic period that extends from about 248 to 202 million years (My or megayears) before the present. ... Triceps brachii The triceps brachii muscle is a large three-headed skeletal muscle found in humans. ... In Roman Era dwellings (particularly those of the wealthy), triclinia were standard issue. ... The numeral trillion refers to one of two number values, depending on the context of where and how it is being used. ... Jump to: navigation, search Orders Agnostida Redlichiida Corynexochida Lichida Phacopida Proetida Asaphida Harpetida Ptychopariida doubtful order Nektaspida Trilobites are extinct arthropods in the class Trilobita. ... Jump to: navigation, search aiman is a fag . ... Jump to: navigation, search Subphyla and Classes Subphylum Trilobitomorpha Trilobita - Trilobites (extinct) Subphylum Chelicerata Arachnida - Spiders, Scorpions, etc. ... The term Trigon may refer to several things: A three-sided ancient Greek or Roman lyre. ... Jump to: navigation, search The harp is a chordophone which has its strings positioned perpendicular to the soundboard. ... Trigonometry (from the Greek trigonon = three angles and metro = measure) is a branch of mathematics dealing with angles, triangles and trigonometric functions such as sine, cosine and tangent. ... The Three Years of Natural Disasters (S:三年自然灾害T:三年自然災害) refers to the period in the Peoples Republic of China between 1959 and 1961, in which a combination of poor economic planning and rounds of natural disasters caused widespread famine. ...

Groups of three

See also: List of famous trinities, trios, triplets, or threesomes The following is a partial list of famous famous trinities, trios, troikas, triumvirates, triplets or threesomes — groups of three of anything: People and characters The Andrews Sisters April, May, and June Duck Image:Snap. ...

• Three-decker - a ship of three decks
• Threesome - trio
• Threepence - three-penny coin
• Thrice - three times
• Triad - a group of three
• Triarchy - government of three
• Trialogue - conversation among three
• Triangle - polygon with three sides
• Triathlon - a three-sport event; competitors in the event are called triathletes
• Tribrach - metrical foot, in poetry
• Trichotomy - division into three parts
• Trichroism - property of minerals such as tanzanite, andalusite and iolite
• Trichromatism - of three-color technology or perception
• Tricolor - three-color flag, as in France, Romania, Moldova
• Tricorn - of three corners, e.g., a hat with "tricorned brim"
• Tricuspid - of three cusps
• Tricycle - a three-wheeled bicycle
• Tridactyl - of three toes
• Trident - of three teeth or prongs
• Triennium - three-year time
• Trifid - cleft into three
• Trifocal - a lens (e.g., of eyeglasses) with three focal lengths
• Trifoliate - a leaf structure
• Triforium - a certain gallery in church
• Trifurcate - threeforked or threestemmed
• Triglyph - an architectural ornament distinctive to Doric friezes
• Trigram - an I Ching glyph
• Trigraph - three-letter combination
• Trihedron - afigure of three meeting planes
• Trihybrid - a kind of hybrid
• Trilateral - of three sides or parties
• Trilingual - able of or expressed in three languages
• Triliteral - a word or root of three letters
• Trilithon - prehistoric three-stone structure
• Trilobate - of three lobes
• Trilogy - three works on a theme under the same authorship
• Trinity - The Christian godhead of Father, Son, and Holy Ghost.
• Tripartition - division into three parts
• Tripod - a three-legged structure
• Triptych - an artwork consisting of three painted or carved panels that are hinged together
• Trio - three musicians or three actors
• Triumvirate - government of three
• Trivium - grammar+logic+rhetoric ("three roads")
• Troika

Triple decker apartment house in Jamaica Plain, Massachusetts A triple-decker or three-decker is a three-family apartment building, usually of frame construction, in which all three apartment units are stacked on top of one another. ... Italian ship-rigged vessel Amerigo Vespucci in New York Harbor, 1976 A ship is a large, sea-going watercraft, sometimes with multiple decks. ... Look up deck on Wiktionary, the free dictionary. ... A ménage à trois (also sometimes known as a trio, threesome, or three-way) is a sexual relationship involving three people. ... Generally speaking, a trio or threesome is a group of three. ... Above: A variety of coins considered to be lower-value, including an Irish 2p piece and many US pennies. ... Jump to: navigation, search word coinage Coín (a town in Malaga province in Spain) 1¢ euro coin A coin is usually a piece of hard material, generally metal and usually in the shape of a disc, which is issued by a government to be used as a form of... Jump to: navigation, search Thrice Formed in 1997, Thrice is an experimental American post-hardcore band from Irvine, California. ... The word Triad has several meanings: A grouping of three The traditional strategic triad of strategic defense is ICBM, SLBM, strategic bomber A crime group based in Hong Kong - Triad In sociology a group of three people - Triad (sociology) A grouping in Egyptian mythology - Triad (Egyptian religion) A chord in... For alternate meanings, such as the musical instrument, see triangle (disambiguation). ... Look up Polygon on Wiktionary, the free dictionary For other use please see Polygon (disambiguation) A polygon (literally many angle, see Wiktionary for the etymology) is a closed planar path composed of a finite number of sequential line segments. ... Jump to: navigation, search A triathlon is an athletic event made up of three contests (from the Greek). ... A triathlon is an athletic event made up of three contests (from the Greek). ... A tribrach is a metrical foot used in formal poetry. ... Jump to: navigation, search Poetry (ancient Greek: ποιεω (poieo) = I create) is a written art form in which human language is used for its aesthetic qualities in addition to, or instead of, its notional and semantic content. ... Generally, a trichotomy is a splitting into three disjoint parts. ... Pleochroism is an optical phenomenon where due to double refraction of light by a colored gem or crystal, the light is divided into two paths which are polarized at a 90° angle to each other. ... Jump to: navigation, search A tanzanite bracelet. ... Andalusite-cordierite schist (Large brown crystals are Andalusite Andalusite is an alumino-silicate mineral with the chemical formula Al2SiO5. ... Cordierite is a cyclosilicate of magnesium and aluminium. ... Tricolour - a flag or banner having three colours Tricolor (ship) - a ship that sunk in the English Channel This is a disambiguation page — a navigational aid which lists other pages that might otherwise share the same title. ... Jump to: navigation, search Tricorn can refer to: The Tricorn Centre, considered one of the ugliest buildings in the United Kingdom Tricorne, a type of headgear. ... In anatomy, the heart valves are valves in the heart that prevent blood from flowing the wrong way. ... Jump to: navigation, search A tricycle is a three-wheeled vehicle. ... Jump to: navigation, search In biology, dactyly is the arrangement of digits (fingers and toes) on the hands, feet, or sometimes wings of an animal. ... Jump to: navigation, search Poseidon sculpture holding a trident A trident is a three pronged staff. ... Trifocals are eyeglasses where the lenses have 3 regions to correct for distance, intermediate (arms length), and near vision. ... Jump to: navigation, search In botany, a leaf is an above-ground plant organ specialized for photosynthesis. ... Triforium is an architectural term. ... Triglyph is an architectural term for the vertically channelled tablets of the Doric frieze, so called because of the angular channels in them, two perfect and one dividedthe two chamfered angles or hemiglyphs being reckoned as one. ... // Scope and intentions According to the very earliest surviving work on the subject, Vitruvius De Architectura, good buildings should have Beauty (Venustas), Firmness (Firmitas) and Utility (Utilitas); architecture can be said to be a balance and coordination among these three elements, with none overpowering the others. ... The uncompleted Doric temple at Segesta, Sicily, has been waiting for finishing of its surfaces since 430 - 420 BC The Doric order was one of the three orders or organizational systems of Ancient Greek or classical architecture; the other two orders were the Ionic and the Corinthian. ... Frieze of the Tower of the Winds. ... The bagua (Chinese: 八卦; pinyin: ; Wade-Giles: pa kua; literally eight trigrams) is a fundamental philosophical concept in ancient China. ... Alternative meaning: I Ching (monk) The I Ching (Traditional Chinese: 易經, pinyin y jīng; Cantonese IPA: jɪk6gɪŋ1; Cantonese Jyutping: jik6ging1; alternative romanizations include I Jing, Yi Ching, Yi King) is the oldest of the Chinese classic texts. ... Trigraph can refer to: Trigraph (computing) Trigraph (orthography) This is a disambiguation page — a navigational aid which lists other pages that might otherwise share the same title. ... A multilingual person or a polyglot is someone with a high degree of proficiency in several languages. ... In the terminology used to discuss the grammar of the Semitic languages, a triliteral is a root containing a sequence of three consonants. ... A trilithon (or trilith) is a structure consisting of two large vertical stones supporting a third stone set horizontally across the top. ... Jump to: navigation, search A trilogy is a set of three works of art, usually literature or film, that develop a single theme over three works. ... Jump to: navigation, search The traditional Christian doctrine of the Trinity teaches that God is a single being existing simultaneously as three distinct persons: the Father, the Son (Jesus), and the Holy Spirit. ... A tripod refers to any three-legged structure. ... A triptych by Giovanni del Biondo, 1370 A triptych (from the Greek tri- three + ptychē fold) is a painting which is divided into three sections, or three carved panels which are hinged together to form a complete artwork. ... Resources ArtLex. ... Jump to: navigation, search The Mona Lisa is perhaps the best-known artistic painting in the Western world. ... This article needs to be wikified. ... Generally speaking, a trio or threesome is a group of three. ... Jump to: navigation, search The term triumvirate (Latin for rule by three men) or troika in Russian, is commonly used to describe an alliance between three equally powerful political or military leaders. ... Jump to: navigation, search In medieval universities, the trivium comprised the three subjects taught first, before the quadrivium. ... Grammar is the discovery, enunciation, and study of rules governing the use of language. ... Jump to: navigation, search Logic (from Classical Greek λόγος (logos), originally meaning the word, or what is spoken, (but coming to mean thought or reason) is most often said to be the study of arguments, although the exact definition of logic is a matter of controversy amongst philosophers (see below). ... Jump to: navigation, search Rhetoric (from Greek ρήτωρ, rhêtôr, orator) is one of the three original liberal arts or trivium (the other members are dialectic and grammar) in Western culture. ... Troika is the Annual Technical Festival organised by the IEEE Student Chapter of Delhi College of Engineering, Bawana Road, New Delhi. ...

In chemistry

there are an endless number of possible chemical terms with three of something in them; these are among the more notable ones: Triacid, Triaminic, Triamcinolone, Triazine, Triazole, Tribromoethanol, Trichloroethylene, Trichlorfon, Trifluralin, Triglyceride, Triglycerophosphate, Triphosphopyridine nucleotide This article needs to be cleaned up to conform to a higher standard of quality. ... ... Jump to: navigation, search Triazole refers to either one of a pair of isomeric chemical compounds with molecular formula C2H3N3, having a five-membered ring of two carbon atoms and three nitrogen atoms. ... The chemical compound trichloroethylene is a chlorinated hydrocarbon commonly used as an industrial solvent. ... Jump to: navigation, search Triglycerides (also known as triacylglycerols or triacylglycerides) are glycerides in which the glycerol is esterified with three fatty acids. ...