(of a substance) toxic to spermatozoa.
noun 1. a substance toxic to spermatozoa.
adjective 1. of the nature of or pertaining to sperm. 1. variant of -spermal: gymnospermous. adjective 1. of or relating to the sperm whale or its products 2. another word for spermatic
noun 1. a technique that separates sperm from the seminal fluid, used especially for isolating active sperm for artificial insemination.
noun 1. a large, square-snouted whale, Physeter catodon, valued for its oil and spermaceti: now reduced in number and rare in some areas. noun 1. a large toothed whale, Physeter catodon, having a square-shaped head and hunted for sperm oil, spermaceti, and ambergris: family Physeteridae Also called cachalot