Cover

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Look up cover in Wiktionary, the free dictionary.

Cover or covers may refer to:

A covering, usually one that completely closes the object
- Lid
- Mechanical seal
The outside of an object, not necessarily enclosing the object
- Album cover
- Book cover, or magazine cover
- CD and DVD packaging
- Cover (philately), generic term for envelope or package
Protection
- Cover system, a system of protection in video games
- Cover (military), a form of protection in combat
Engineering
- Concrete cover, distance between reinforcement and the outer surface of element.
Geology
- Sedimentary cover, overlies a basement (geology) or crystalline basement

Official cover
Non-official cover
Something fake used in a cover-up, untrue explanation for a situation or untrue reason for an action, to hide what is really going on or is the real motive, possibly including real actions and objects related to the story to make it plausible
Cover (telecommunications), a communications concealment technique

Cover (topology), the mathematical concept of a collection of subsets of a set whose union is the whole set
Cover (algebra), the concept of an algebraic structure that maps onto another structure in structure-preserving fashion
A pair in the covering relation of a partially ordered set, or the greater element in such a pair
A covering space, in the theory of Riemann surfaces and topology
A (universal / double) covering group, a covering space with group structure, common in theoretical physics
Cover, an equivalent set of constraints in database theory

Cover charge, an entry fee
Cover (law), a remedy for the breach of a contract for the receipt of goods
Cover (finance), repurchasing a short order made on the stock/equity, forex or futures markets

Related Terms:	Covern	Protect	Wreon To Cover	Cover the Plane
	Covers	Covering	Cover Version	Conceal or Protect
	Enemy	Coverage	Cover Letter	Ten Dollars Should Cover Lunch
	Cover	Insurance	Cover Board	Cover the Plane With Regular Hexagons
	Hide	Scientific	Quotations	Earned Enough To Cover Most of Our Costs