In phonetics and phonology, the nucleus is the central part of the syllable, mostly commonly a vowel. In addition to nuclei, syllables may begin with an onset and end with a coda, but the only part of a syllable that is mandatory is the nucleus.
Here are some examples of nuclei:
cat - /a/
bed - /e/
tore - /o/
ode - /o/
eat - /i/ (the "ea" part)
tea - /i/ (the "ea" part)
see - /i/ (the "ee" part)
oh - /o/
fiddle - /i/ and /l/
bitten - /i/ and /n/ (The "n" is only for speakers who "swallow" the /t/ sound)
Most often, sounds similar to vowels such as liquids (such as /r/ and /l/) and nasals (such as /m/ and /n/) are used if there is no vowel, but some languages allow other sounds such as stops to become nuclei.
The syllablenucleus is typically a sonorant, usually a vowel sound, in the form of a monophthong, diphthong, or triphthong, but sometimes sonorant consonants like [l] or [r].
The syllable onset is the sound or sounds occurring before the nucleus, and the syllablecoda (literally 'tail') is the sound or sounds that follow the nucleus.
A heavy syllable is one with a branching rime or a branching nucleus â this is a metaphor, based on the nucleus or coda having lines that branch in a tree diagram.
The nucleus is a vowel in most cases, although the consonants [ r ], [ l ], [ m ], [ n ], and the velar nasal (the 'ng' sound) can also be the nucleus of a syllable.
The nucleus, as the term suggests, is the core or essential part of a syllable.
syllables: a syllable is a rhythmic unit of speech.
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