Look up block in Wiktionary, the free dictionary.

For Wikipedia's use of blocks, please see the Blocking policy.

Block may refer to: Wikipedia does not have an article with this exact name. ... Wiktionary (a portmanteau of wiki and dictionary) is a multilingual, Web-based project to create a free content dictionary, available in over 150 languages. ...

Objects that resemble rectangular prisms:

• A large concrete or stone brick
• Block (sailing), a single or multiple pulley used on sailboats
• Cylinder block, the main part of an internal combustion engine
• Toy block, one of a set of wooden or plastic pieces of various shapes

An area of land: For other uses, see Brick (disambiguation). ... In sailing, a block is a pulley or a number of pulleys enclosed in sheaves so as to be fixed to the end of a line or to a spar or surface. ... The cylinder block of a Ford I4 DOHC engine The cylinder block or engine block is a machined casting (or sometimes an assembly of modules) containing cylindrically bored holes for the pistons of a multi-cylinder reciprocating internal combustion engine, or for a similarly constructed device such as a pump. ... A set of blocks Toy blocks (also building bricks, or simply blocks), are wooden or plastic piece of various shapes (square, cylinder, arch, triangle, etc. ...

• Block (country subdivision), a unit of government in some South Asian countries
• Census block, the smallest geographical unit in the U.S. Census Bureau
• City block, an area surrounded but not divided by streets

In science: A block is a country subdivision in some South Asian countries. ... A census block is the smallest geographic unit used by the United States Census Bureau for tabulation of 100-percent data (data collected from all houses, rather than a sample of houses). ... City Blocks are a part of the fictional universe recounted in the Judge Dredd series that appears in the UK comic book 2000 AD. // Overview Also known as starscrapers or stratoscrapers (compare skyscraper), they are the most common form of mass-housing in Mega-City One, averaging a population of...

• Block (extraction of petroleum), a sub-division of an underground reservoir
• Block (meteorology), large-scale near-stationary patterns in the atmospheric pressure field

In sports: A block in the context of extraction of petroleum, (and natural gas) signifies a sub-division of an underground reservoir for the purpose of administering a certain production allowable. ... Blocks in meteorology are large scale patterns in the atmospheric pressure field that are nearly stationary, effectively blocking or redirecting migratory cyclones. ...

• Blocking (American football), when a player obstructs another player's path
• Block (basketball), when a defensive player legally deflects a shot
• Blocking (martial arts), a defensive technique in the martial arts

In technology: In American football, blocking occurs when one player obstructs another players path with his body. ... Oscar Torres (13) is in position to block this shot. ... A block is a technique in martial arts that prevents an attack from making contact with the body. ...

• Block (data storage), the practice of storing electronic data in equally-sized units
• Block-level element in the internet coding language HTML
• Block (telecommunications), a unit of data transmission
• Statement block, a segment of a program
• Blocks (video game), an upcoming video game from EA

In mathematics: In computing (specifically data transmission and data storage), block size indicates a nominal size, usually expressed in bytes or bits, of a block of data. ... In computing, an HTML element indicates structure in an HTML document and a way of hierarchically arranging content. ... In telecommunication, the term block has the following meanings: A group of bits or digits that is transmitted as a unit and that may be encoded for error-control purposes. ... In computer programming, a statement block (or code block) is a section of code which is grouped together, much like a paragraph; such blocks consist of one, or more, statements. ... Blocks is the tentative title of an upcoming puzzle video game by Electronic Arts for the Nintendo Wii. ...

• Block design, a kind of set system in combinatorial mathematics
• Block (group theory)
• A maximally 2-connected subgraph or a bridge with its endvertices in graph theory

In music: In combinatorial mathematics, a block design (more fully, a balanced incomplete block design) is a particular kind of set system, which has long-standing applications to experimental design (an area of statistics) as well as purely combinatorial aspects. ... In mathematics and group theory, a block system for the action of a group G on a set X is a partition of X that is G-invariant. ... Graph theory is a growth area in mathematical research, and has a large specialized vocabulary. ...

• Block Entertainment, a record label
• Blocks Recording Club, a record label

Block may also refer to: Block Entertainment is a indie label created by Block himself. ... Blocks Recording Club is a Canadian cooperative of musicians, which serves as both a collaborative artist community and a record label for its member artists. ...

• A way of controlling train movement in railway signalling
• Postage stamp block, an attached group of postage stamps

It has been suggested that safeworking be merged into this article or section. ... In philately, a block is a group of postage stamps still attached to each other. ...

See also

• Blocking

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