preservative

Từ điển Oxford Learners Wordfinder Dictionary

I - noun

a chemical compound that is added to protect against decay or decomposition
• Hypernyms:
compound, chemical compound
• Hyponyms:
spice

II - adjective

tending or having the power to preserve
- timbers should be treated with a preservative substance
• Similar to:
protective
• Derivationally related forms:
preserve