closure

English Online Dictionary. What means closure‎? What does closure mean?

English

Etymology

From Middle English closure, from Old French closure, from Late Latin clausura, from Latin claudere (“to close”); see clausure and cloture (etymological doublets) and close.

Pronunciation

• enPR: klō'zhər
  • (UK) IPA^(key): /ˈkləʊ.ʒə(ɹ)/
  • (US) IPA^(key): /ˈkloʊ.ʒɚ/
  • (General Australian) IPA^(key): /ˈkləʉ.ʒə(ɹ)/
• Rhymes: (UK) -əʊʒə(ɹ)

Noun

closure (countable and uncountable, plural closures)

1. An event or occurrence that signifies an ending.
2. A feeling of completeness; the experience of an emotional conclusion, usually to a difficult period.
3. A device to facilitate temporary and repeatable opening and closing.
5. (programming) An abstraction that represents a function within an environment, a context consisting of the variables that are both bound at a particular time during the execution of the program and that are within the function's scope.
6. (mathematics) The smallest set that both includes a given subset and possesses some given property.
7. (topology, of a set) The smallest closed set which contains the given set.
   • 1955 [Van Nostrand Reinhold], John L. Kelley, General Topology, 2017, Dover, page 42,

     The closure (${displaystyle {mathfrak }}$-closure) of a subset A of a topological space ${displaystyle (X,{mathfrak })}$ is the intersection of the members of the family of all closed sets containing A. […]

     7 THEOREM The closure of any set is the union of the set and the set of its accumulation points.

8. The act of shutting; a closing.

9. The act of shutting or closing something permanently or temporarily.
10. That which closes or shuts; that by which separate parts are fastened or closed.

    Synonym: fastener

    • 1729 November 28, Alexander Pope, Letter to Jonathan Swift, 1824, The Works of Jonathan Swift: Containing Additional Letters, Volume 17, 2nd Edition, page 284,

      I admire on this consideration your sending your last to me quite open, without a seal, wafer, or any closure whatever, manifesting the utter openness of the writer.

11. (obsolete) That which encloses or confines; an enclosure.
12. (politics) A method of ending a parliamentary debate and securing an immediate vote upon a measure before a legislative body.
13. (sociology) The phenomenon by which a group maintains its resources by the exclusion of others based on various criteria. ^Wp
14. The process whereby the reader of a comic book infers the sequence of events by looking at the picture panels.
16. (food packaging industry) The element of packaging that closes a container.

    Hyponyms: bottlecap, bottle cap, bottletop, bottle top, cap, lid, top

Hyponyms

• (computing): function closure, lexical closure
• (device): clasp, hasp, latch, hook and eye

Troponyms

• (computer science) thunk

Derived terms

Translations

See also

• cloture

References

• closure on Wikipedia.Wikipedia

Verb

closure (third-person singular simple present closures, present participle closuring, simple past and past participle closured)

1. (transitive, politics) To end the parliamentary debate on (an issue) by closure.

Anagrams

• Clouser, colures