Meaning of haplology

hap•lol•o•gy

Pronunciation: (hap-lol'u-jē), [key]
— n. Ling.
  1. the omission of one of two similar adjacent syllables or sounds in a word, as in substituting morphonemic for morphophonemic or in the pronunciationfor probably.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.