any male gamete.
spermi- or sperma- or spermo- or sperm- pref. Sperm; semen: spermatocide.
adjective 1. spermatic. 1. variant of -spermal: endospermic. adjective 1. another word for spermatic
noun 1. a sperm-killing agent, especially a commercial birth-control preparation, usually a cream or jelly. noun 1. any drug or other agent that kills spermatozoa spermicide sper·mi·cide (spûr’mĭ-sīd’) n. An agent that kills spermatozoa, especially as a contraceptive. Also called spermatocide. sper’mi·cid’al (-sīd’l) adj. spermicide (spûr’mĭ-sīd’) An agent that kills spermatozoa, especially one that is […]
noun, Biochemistry. 1. a biogenic polyamine, H 2 N(CH 2) 4 NH(CH 2) 3 NH 2 , formed from putrescine, occurring widely in nature and first identified in semen. spermidine sper·mi·dine (spûr’mĭ-dēn’) n. A polyamine compound found in ribosomes and living tissues and having various metabolic functions. It was originally isolated from semen.