spermatotoxic

[spur-mat-uh-tok-sik, spur-muh-tuh-]
Also sper·ma·tox·ic [spur-muh-tok-sik] /ˌspɜr məˈtɒk sɪk/.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018