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Synaeresis

Sound
Pronunciation

Understanding ARPABET Pronunciation

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The pronunciation guide uses the ARPABET phonetic system—the same system used in speech recognition and text-to-speech applications.

Vowel Examples:
AE1 = cat, bat
EH1 = bed, head
IY1 = see, me
OW1 = go, boat
UW1 = boot, do
Stress Numbers:
0 = no stress (unstressed)
1 = primary stress (loud)
2 = secondary stress (medium)
Example:
AH0 TH IY1 N AH0
= a-THEE-na (Athena)

The stressed syllable (marked with 1) is pronounced louder and clearer than others.

Quick Definition

The blending of two adjacent vowels into a single diphthong or syllable to maintain meter.

Detailed Definition
Synaeresis is a phonological and metrical device in poetry wherein two adjacent vowels within a word or across word boundaries are pronounced as a single syllable (e.g., “theology” as three rather than four syllables), often employed to maintain metrical regularity or enhance euphony; common in classical and Renaissance verse, synaeresis allows poets to compress sound without sacrificing meaning, creating fluidity in rhythm and enabling complex metrical schemes, and it stands in contrast to diaeresis, which separates vowels into distinct syllables for emphasis or metrical expansion.
Example
Example in poetry:
Synaeresis in Shakespeare: “th’expense” (the expense) contracts two vowels; In Milton: “th’Almighty” for rhythmic flow; Synaeresis in Keats: “th’opera” to maintain meter; Contemporary: “th’idea” in song lyrics or performance poetry for fluidity

In Latin poetry, “dehinc” (de-hinc) undergoes syneresis to form one syllable for meter; In English, “poem” is often pronounced as one syllable (/poʊm/) via syneresis in rapid speech or song; In Shakespeare’s “The Tempest,” “glory” may be reduced to one syllable (“glory in the sun”) via syneresis; In French poetry, “lion” (two vowels) is pronounced as one syllable through syneresis; In Milton’s “Paradise Lost,” “chaos” may be compressed to one syllable to fit meter; In Greek, “θεᾱ́” (theā́) undergoes syneresis in dactylic hexameter to avoid hiatus.
Additional Notes
Merging two syllables into one for metrical purposes (e.g., "heaven" as one syllable). Opposite of diaeresis. Common in formal verse; marked with breve or understood from scansion.

Syneresis is the metrical contraction of two adjacent vowel sounds into a single syllable, overriding their normal separation (e.g., pronouncing "poem" as one syllable /poʊm/ instead of two). In prosody, syneresis allows poets to fit words into strict meters by reducing syllable count. It’s common in classical and Renaissance verse. Contrast with diaeresis (the opposite: keeping vowels separate). Syneresis requires reader cooperation—what’s permissible depends on period pronunciation norms and poetic convention.
Also Known As
Vowel compression Diphthong contraction Two-vowel fusion Syllable merger Syneresis vowel contraction Synérèse
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