最終更新日：2023/08/19

Dictionary quizzes to help you remember vocabulary

Sealed, made inaccessible or impassable; not open. / (engineering, gas and liquid flow, of valve or damper) To be in a position preventing fluid from flowing.

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closed

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closed

/kləʊzd/

adj

The closed door prevented anyone from entering the room.

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意味（1）

Sealed, made inaccessible or impassable; not open.

A closed and locked door prevented my escape.

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意味（2）

(engineering, gas and liquid flow, of valve or damper) To be in a position preventing fluid from flowing.

意味（3）

(electricity, of a switch or circuit breaker) To be in a position allowing electricity to flow.

意味（4）

(of a store or business) Not operating or conducting trade.

意味（5）

Not public.

closed source a closed committee The bill is being considered by the committee in closed session.

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意味（6）

(topology, of a set) Having an open complement.

意味（7）

(mathematics, of a set) Such that its image under the specified operation is contained in it.

The set of integers is closed under addition: ∀x,y∈ℤ,x+y∈ℤ.

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意味（8）

(mathematics, logic, of a formula) Lacking a free variable.

意味（9）

(graph theory, of a walk) Whose first and last vertices are the same, forming a closed loop.

意味（10）

(phonology) Formed by closing the mouth and nose passages completely, like the consonants /t/, /d/, and /p/.

意味（11）

(phonology) Having the sound cut off sharply by a following consonant, like the /ɪ/ in pin.

意味（12）

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closed

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