| chemosterilant | A chemical for controlling insect populations which prevents them from reproducing without killing them or changing their mating behaviours. Compare: pesticide. (09 Oct 1997) |
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| chemosterilants | Chemical compounds the ingestion of which causes sterility of an organism. Such compounds have been used as a means of controlling various insects and other pests by inducing sterility in the male. (12 Dec 1998) |