n. In biology, a fertilized ovum, or the equivalent, in plants and in unicellular organisms, of a fertilized egg; the product of the conjugation of gametes, or sexual cells.
n. Same as zygospore.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. (genetics) the diploid cell resulting from the union of a haploid spermatozoon and ovum (including the organism that develops from that cell)
Word Usage
"The zygote is the first stage of development of an individual human being."