adj. 1. united with a male gamete to begin the development of an individual embryo; -- of female gametes. Syn. -- impregnated, inseminated. [ WordNet 1.5 +PJC ]
2. made more suitable for growth of crops by addition of fertilizer{ 2 }; -- of soil. Syn. -- enriched. [ PJC ]
(n) an animal organism in the early stages of growth and differentiation that in higher forms merge into fetal stages but in lower forms terminate in commencement of larval life, Syn. fertilized egg, conceptus
(n) (genetics) the diploid cell resulting from the union of a haploid spermatozoon and ovum (including the organism that develops from that cell), Syn. fertilized ovum