heterosis
[ het-uh-roh-sis ]
/ ˌhɛt əˈroʊ sɪs /
noun Genetics.
the increase in growth, size, fecundity, function, yield, or other characters in hybrids over those of the parents.
Also called
hybrid vigor.
Words nearby heterosis
British Dictionary definitions for heterosis
Word Origin for heterosis
C19: from Late Greek: alteration, from Greek
heteroioun to alter, from
heteros other, different