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closed

From Wiktionary, the free dictionary

English

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English Wikipedia has an article on:
Wikipedia

Pronunciation

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Adjective

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closed (not comparable)

  1. Physically obstructed, sealed, etc.
    1. Made impassable.
      A closed and locked door prevented my escape.
      The channel was closed as a result of thick ice.
    2. Sealed or covered.
      Her eyes were tightly closed.
      Keep this box closed at all times.
      • 2005, Pamela J. Carter, Susan Lewsen, Lippincott's Textbook for Nursing Assistants, page 277:
        When the top sheet, blanket, and bedspread of a closed bed are turned back, or fanfolded, the closed bed becomes an open bed, or a bed ready to receive a patient or resident.
    3. Physically drawn together, folded or contracted.
      A book lay closed on the table.
      a closed fist
    4. (engineering, gas and liquid flow, of valve or damper) In a position preventing fluid from flowing.
  2. Not available for operation, participation, interaction, etc.
    1. Not available for use or operation.
      Phone lines are now closed.
    2. (of a store or business) Not operating or conducting trade.
      Banks are closed on bank holidays.
    3. Not allowing entrance to visitors or the public.
      The museum is closed for the Christmas holidays.
    4. Not receptive.
      He is closed to new ideas.
    5. Not public.
      closed source  a closed committee  The bill is being considered by the committee in closed session.
    6. (computing, of a file, document, etc.) Not in current use; not connected to as a resource.
      Make sure that all files are closed before you switch off the computer.
  3. Completed, finalised.
    1. Settled; decided or determined; withdrawn from consideration.
      This subject is now closed.
    2. Having one end joined to the other, forming a completed loop.
      a closed curve, a closed circuit
    3. (electricity, of a switch or circuit breaker) In a position allowing electricity to flow.
    4. (graph theory, of a walk) Whose first and last vertices are the same, forming a closed loop.
  4. (topology, of a set) Having an open complement.
  5. (mathematics, of a set) Such that its image under the specified operation is contained in it.
    The set of integers is closed under addition: .
  6. (mathematics, logic, of a formula) Lacking a free variable.
  7. (phonology) Formed by closing the mouth and nose passages completely, like the consonants /t/, /d/, and /p/.
  8. (phonology) Having the sound cut off sharply by a following consonant, like the /ɪ/ in pin.
  9. (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.
  10. (heraldry) Synonym of close.
  11. (especially sports) Of a club, bat or other hitting implement, angled downwards and/or (for a right-hander) anticlockwise of straight.

Synonyms

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Antonyms

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Derived terms

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Translations

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The translations below need to be checked and inserted above into the appropriate translation tables. See instructions at Wiktionary:Entry layout § Translations.
Translations to be checked‌: "in mathematics"

See also

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Verb

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closed

  1. simple past and past participle of close

Anagrams

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Welsh

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Pronunciation

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Noun

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closed m (plural closedau)

  1. Alternative form of closet

Mutation

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Mutated forms of closed
radical soft nasal aspirate
closed glosed nghlosed chlosed

Note: Certain mutated forms of some words can never occur in standard Welsh.
All possible mutated forms are displayed for convenience.

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