Usage Note
Stériliser is used in medical, culinary, and veterinary contexts: sterilising surgical equipment, jars for preserves, or an animal. The related noun is stérilisation (f) and the adjective stérile means both sterile and barren. In French kitchens, stériliser des bocaux (sterilising jars) is a key step in home preserving.
Examples
"Il faut stériliser le matériel avant l'opération."
Natural Translation
The equipment must be sterilised before the operation.

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