A mapping from a pairing of mathematical objects to one of them, respecting their individual structures. The pairing is typically a Cartesian product or a tensor product. The object that is not part of the output is said to act on the other object. In any given context, action is used as an abbreviation for a more fully named notion, like group action or left group action.
Something done, often so as to accomplish a purpose.
A religious performance or solemn function, i.e. action sermon, a sacramental sermon in the Scots Presbyterian Church.
The mechanism, that is the set of moving mechanical parts, of a keyboard instrument, like a piano, which transfers the motion of the key to the sound-making device.
The effort of performing or doing something.
a process existing in or produced by nature (rather than by the intent of human beings).
A way of motion or functioning.
The way in which a mechanical device acts when used; especially a firearm.
Fast-paced activity.
The event or connected series of events, either real or imaginary, forming the subject of a play, poem, or other composition; the unfolding of the drama of events.
The distance separating the strings and the fretboard on a guitar or other string instrument.
A charge or other process in a law court (also called lawsuit and actio).
The attitude or position of the several parts of the body as expressive of the sentiment or passion depicted.
Sexual intercourse.
Combat.
spin put on the bowling ball.
The product of energy and time, especially the product of the Lagrangian and time.
The way in which cartridges are loaded, locked, and extracted from the mechanism.
To act on a request etc, in order to put it into effect.
arrogant
Demanding or signifying the start of something, usually a performance.
A chart or diagram of a system or object.
A council housing estate.
A systematic plan of future action.
An orderly combination of related parts.
A plot or secret, devious plan.
A mathematical structure that enlarges the notion of algebraic variety in several ways, such as taking account of multiplicities and allowing "varieties" defined over any commutative ring (e.g. Fermat curves over the integers).
Part of a uniform resource identifier indicating the protocol or other purpose, such as http: or news:.
A representation of the aspects of the celestial bodies for any moment or at a given event.
A portfolio of pension plans with related benefits comprising multiple independent members.
To plot, or contrive a plan.
To plan; to contrive.