preservative

UK/prɪ'zɜːvətɪv/US/pri'zә:vәtiv/

TOEFLGREC2

Definitions

A substance added to food or materials to prevent decay

防腐剂

adj.

Tending to preserve

有防腐/保护作用的

Root Breakdown

Root-derived

pre-before

servserve; keep, guard, watch over

-ativetending to, having the nature of

=preservative

preserve + -ative (a thing that does) = a substance that preserves. Mostly the everyday food sense: 'no artificial preservatives.' Points back to preserve.

Root serv still carries 62 more words

Common Collocations

1.artificial preservative人工防腐剂
2.natural preservative天然防腐剂
3.food preservative食品防腐剂

Example Sentences

1.
This bread contains no artificial preservatives.
2.
Salt acts as a natural preservative.

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