maturity
/məˈtjʊərətɪ/noun
mass noun
1- the state, fact, or period of being mature成熟; 成年：
their experience, maturity, and strong work ethic
他们的经验、老练和强烈的职业道德
the delicate style of his maturity.
代表他成熟的细致风格。
1.1
- the time when an insurance policy, security, etc. matures.（保险单、证券等）到期。
1.2
- count noun an insurance policy, security, etc. having a fixed maturity date（保险单、证券等）有固定到期日的票据。
词源
late Middle English: from Latin maturitas, from maturus （see MATURE）.