expiration
UK/ˌekspəˈreɪʃ(ə)n/US/.ekspi'reiʃәn/
GREB1
Definitions
n.
The end of a period of validity; (technical) the act of breathing out.
期满，到期；（专业）呼气。
Root Breakdown
Native Englishex- (out) + spir (breathe) + -ation (noun) = 'a breathing-out.' The noun of expire: the point at which something runs out of validity (AmE; BrE prefers expiry).
Root spir still carries 34 more wordsCommon Collocations
- 1.expiration date有效期/保质期
- 2.contract expiration合同到期
- 3.before expiration到期前
Example Sentences
- 1.
Check the expiration date before buying the milk.