ecthlipsis: Meaning and Definition of

ec•thlip•sis

Pronunciation: (ek-thlip'sis), [key]
— pl. -ses
  1. loss of a consonant, esp., in Latin, loss of a final m before a word beginning with a vowel or h.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.