covering
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English
[edit]Pronunciation
[edit]Etymology 1
[edit]Present participle or participial adjective from cover (verb) + -ing; or, from Middle English participle form of coveren, keveren (“to cover”).
Verb
[edit]covering
- present participle and gerund of cover
Etymology 2
[edit]From Middle English coverynge, -inge, keverynge, -inge [verbal noun of coveren, keveren (“to cover”)];[1] or, verbal noun from cover (verb) + -ing.
Noun
[edit]covering (countable and uncountable, plural coverings)
- (countable) That which covers or conceals; a cover; something spread or laid over or wrapped about another.
- 2020 May 20, Richard Clinnick, “Network News: More trains... but advice is not to use public transport”, in Rail, page 6:
- Face covering is also mentioned: "There are some circumstances when wearing a face covering may be marginally beneficial as a precautionary measure. The evidence suggests that wearing a face covering does not protect you, but it may protect others if you are infected but have not yet developed symptoms. [...] If you can, wear a face covering if you need to use public transport."
- (uncountable) Action of the verb to cover.
- (topology, of a given open set ) A collection of sets such that their union contains ; such a collection with the additional property that every is open; such a collection with the additional property that every is contained in .
- (topology) A special kind of map that establishes a relationship between two topological spaces in the sense that, under the action of the map, the one looks locally like several copies of the second: Formally, a continuous map between topological spaces such that there exists, for every point in , a discrete space and an open neighborhood of such that and is a homeomorphism for every . See Covering space on Wikipedia.Wikipedia
Usage notes
[edit]In sense sense 4, properly, the map is the covering, and is called the covering space, but by abuse of terminology, "covering" may refer to , "covering space" may refer to , and either may refer to the tuple .
Derived terms
[edit]Translations
[edit]that which covers something
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References
[edit]- ^ “cǒveringe, ger.(1).”, in MED Online, Ann Arbor, Mich.: University of Michigan, 2018, retrieved 16 December 2019.
Categories:
- English 3-syllable words
- English terms with IPA pronunciation
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- English terms suffixed with -ing
- English terms inherited from Middle English
- English terms derived from Middle English
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- English nouns
- English uncountable nouns
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- en:Topology
- English verbal nouns