Dictionary
a•syn•ap•sis
Pronunciation: (ā"si-nap'sis), [key]—
n.,
—pl. -sesPronunciation: (-sēz). [key]
Genetics.
failure of the pairing of homologous chromosomes during meiosis.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.