Last Updated：2025/11/20
(of a person) The amount of time one is expected to live. / (figuratively, by extension, of an idea or an object) The amount of time something is expected to last.
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life expectancy
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Source Word
life expectancy
Noun
of a person
broadly
figuratively
of an idea or an object
Japanese Meaning
期待寿命：ある人が生きると予想される期間。 / 耐用年数：物やアイデアが存続すると予想される期間。
（ plural ）
