[Middle English, from Old French, from Late Latin clausūra, fortress, lock, from clausus, enclosed; see close. Sense 4, translation of French clôture.]
1. the act of closing or the state of being closed
2. an end or conclusion
3. something that closes or shuts, such as a cap or seal for a container
4. (Parliamentary Procedure) (in a deliberative body) a procedure by which debate may be halted and an immediate vote taken. See also cloture, guillotine, gag rule
5. chiefly
a. the resolution of a significant event or relationship in a person's life
b. a sense of contentment experienced after such a resolution
6. (Geological Science) geology the vertical distance between the crest of an anticline and the lowest contour that surrounds it
7. (Phonetics & Phonology) phonetics the obstruction of the breath stream at some point along the vocal tract, such as the complete occlusion preliminary to the articulation of a stop
8. (Logic) logic
a. the closed sentence formed from a given open sentence by prefixing universal or existential quantifiers to bind all its free variables
b. the process of forming such a closed sentence
9. (Mathematics) maths
a. the smallest closed set containing a given set
b. the operation of forming such a set
10. (Psychology) psychol the tendency, first noted by Gestalt psychologists, to see an incomplete figure like a circle with a gap in it as more complete than it is
vb
(Parliamentary Procedure) (tr) (in a deliberative body) to end (debate) by closure
[C14: from Old French, from Late Latin clausūra bar, from Latin claudere to close]
In transportation, the process of a unit arriving at a specified location. It begins when the first element arrives at a designated location, e.g., port of entry and/or port of departure, intermediate stops, or final destination, and ends when the last element does likewise. For the purposes of studies and command post exercises, a unit is considered essentially closed after 95 percent of its movement requirements for personnel and equipment are completed.
Dictionary of Military and Associated Terms. US Department of Defense 2005.
closure - approaching a particular destination; a coming closer; a narrowing of a gap; "the ship's rapid rate of closing gave them little time to avoid a collision"
closure - a Gestalt principle of organization holding that there is an innate tendency to perceive incomplete objects as complete and to close or fill gaps and to perceive asymmetric stimuli as symmetric
closure - something settled or resolved; the outcome of decision making; "they finally reached a settlement with the union"; "they never did achieve a final resolution of their differences"; "he needed to grieve before he could achieve a sense of closure"
breech closer, breechblock - a metal block in breech-loading firearms that is withdrawn to insert a cartridge and replaced to close the breech before firing
plug, stopple, stopper - blockage consisting of an object designed to fill a hole tightly
vapor lock, vapour lock - a stoppage in a pipeline caused by gas bubbles (especially a stoppage that develops in hot weather in an internal-combustion engine when fuel in the gas line boils and forms bubbles that block the flow of gasoline to the carburetor)
terminate, end - bring to an end or halt; "She ended their friendship when she found out that he had once been convicted of a crime"; "The attack on Poland terminated the relatively peaceful period after WW I"
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