synaeresis

See syneresis.

The union, or drawing together into one syllable, of two vowels that are ordinarily separated in syllabification; synecphonesis; — the opposite of diæresis.

the contraction of two vowels into a diphthong or a long vowel.

the separating out of the liquid from a gel.

the contraction of two vowels into a diphthong

the separation of liquid from a gel that is caused by contraction (as in cheese making)