Closedとは

意味・読み方・使い方

形容詞

closed (not comparable)

1. Sealed, made inaccessible or impassable; not open.
2. (engineering, gas かつ liquid flow, of valve または damper) To be in a position preventing fluid from flowing.
3. (electricity, of a switch または circuit breaker) To be in a position allowing electricity to flow.
4. (of a store または business) Not operating or conducting trade.
5. Not public.

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

6. (topology, of a set) Having an open complement.
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: ${\displaystyle \forall x,y\in \mathbb {Z} \,x+y\in \mathbb {Z} }$.

8. (mathematics, logic, of a formula) Lacking a free variable.
9. (graph theory, of a walk) Whose first and last vertices are the same, forming a closed loop.
10. (phonology) Formed by closing the mouth and nose passages completely, like the consonants /t/, /d/, and /p/.
11. (phonology) Having the sound cut off sharply by a following consonant, like the /ɪ/ in pin.
12. (of a multi-word compound) Having component words joined together without spaces or hyphens; for example, timeslot as opposed to time slot or time-slot.

同意語

• shut

反意語

• (also phonetics (of vowels, syllables)): open

派生語

• a closed mouth catches no flies
• a closed mouth gathers no feet