synizesis

English

From Ancient Greek συνίζησις (sunízēsis, “a sitting together”), from σύν (sún, “with”) (English syn-) + ἱζάνω (hizánō, “to sit”).

synizesis (countable and uncountable, plural synizeses)

(poetry) A poetic figure of speech in which two consecutive vowel sounds in the same word are pronounced as a single phoneme so that certain words adhere to a particular poetic meter.
(prosody) The pronunciation of two separate vowels as a single one.
(medicine) An obliteration of the pupil of the eye.
(biology) Dense clumping of chromosomes on one side of the nucleus, sometimes occurring prior to cell division.

poetic figure of speech

linguistic feature

eye defect

biological phenomenon