Polysyllabic

A syllable (Greek: συλλαβή) is a unit of organization for a sequence of speech sounds. For example, the word water is composed of two syllables: wa and ter. A syllable is typically made up of a syllable nucleus (most often a vowel) with optional initial and final margins (typically, consonants).

Syllables are often considered the phonological "building blocks" of words. They can influence the rhythm of a language, its prosody, its poetic meter, its stress patterns, etc.

Syllablic writing began several hundred years before the first letters. The earliest recorded syllables are on tablets written around 2800 BC in the Sumerian city of Ur. This shift from pictograms to syllables has been called 'the most important advance in the history of writing'.

A word that consists of a single syllable (like English cat) is called a monosyllable (such a word is monosyllabic), while a word consisting of two syllables (like monkey) is called a disyllable (such a word is disyllabic). A word consisting of three syllables (such as indigent) is called a trisyllable (the adjective form is trisyllabic). A word consisting of more than three syllables (such as intelligence) is called a polysyllable (and could be described as polysyllabic), although this term is often used to describe words of two syllables or more.

Syllable structure

The general structure of a syllable consists of the following segments:

• Onset (obligatory in some languages, optional or even restricted in others)
• Rhyme
  • Nucleus (obligatory in all languages)
  • Coda (optional in some languages, highly restricted or prohibited in others)

In some theories of phonology, these syllable structures are displayed as tree diagrams (similar to the trees found in some types of syntax). Not all phonologists agree that syllables have internal structure; in fact, some phonologists doubt the existence of the syllable as a theoretical entity.

The syllable nucleus is typically a sonorant, usually making 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 syllable coda (literally 'tail') is the sound or sounds that follow the nucleus. The term rime covers the nucleus plus coda. In the one-syllable English word cat, the nucleus is a, the onset c, the coda t, and the rime at. This syllable can be abstracted as a consonant-vowel-consonant syllable, abbreviated CVC.

Generally, every syllable requires a nucleus. Onsets are extremely common, and some languages require all syllables to have an onset. (That is, a CVC syllable like cat is possible, but a VC syllable such as at is not.) A coda-less syllable of the form V, CV, CCV, etc. is called an open syllable (or free syllable), while a syllable that has a coda (VC, CVC, CVCC, etc.) is called a closed syllable (or checked syllable). Note that they have nothing to do with open and close vowels. All languages allow open syllables, but some, such as Hawaiian, do not have closed syllables.

A heavy syllable is one with a branching rime or branching nucleus – this is a metaphor, based on the nucleus or coda having lines that branch in a tree diagram. In some languages, heavy syllables include both VV (branching nucleus) and VC (branching rhyme) syllables, contrasted with V, which is a light syllable. In other languages, only VV syllables (ones with a long vowel or diphthong) are heavy, while both VC and V syllables are light. The difference between heavy and light frequently determines which syllables receive stress—this is the case in Latin and Arabic, for example. In moraic theory, heavy syllables are said to have two moras, while light syllables are said to have one. Japanese is generally described this way.

In other languages, including English, a consonant may be analyzed as acting simultaneously as the coda of one syllable and the onset of the following syllable, a phenomenon known as ambisyllabicity. Examples occurring in Received Pronunciation include words such as arrow [ˈærəʊ], error [ˈerə], mirror [ˈmɪrə], borrow [ˈbɒrəʊ], burrow [ˈbʌrəʊ], which can't be divided into separately pronounceable syllables: neither [æ] nor [ær] is a possible independent syllable, and likewise with the other short vowels [e ɪ ɒ ʌ].

In traditional Chinese descriptions of tone, the so-called entering tones are the tonic possibilities on closed syllables ending in a stop consonant such as /p, t, k/.

Syllables and suprasegmentals

The domain of suprasegmental features is the syllable and not a specific sound, that is to say, they affect all the segments of a syllable:

• Stress
• Tone

Sometimes syllable length is also counted as a suprasegmental feature; for example, in most Germanic languages, long vowels may only exist with short consonants and vice versa. However, syllables can be analyzed as compositions of long and short phonemes, as in Finnish and Japanese, where consonant gemination and vowel length are independent.

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