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synaeresis

American  
[si-ner-uh-sis] / sɪˈnɛr ə sɪs /
Or syneresis

noun

Phonetics.

  1. the contraction of two syllables or two vowels into one, especially the contraction of two vowels so as to form a diphthong.

  2. synizesis.

synaeresis British  
/ sɪˈnɪərɪsɪs /

noun

  1. a variant spelling of syneresis

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of synaeresis

1570–80; < Late Latin < Greek synaíresis act of taking together, equivalent to syn- syn- + ( h)aire- (stem of haireîn to take) + -sis -sis

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.