Acceptor may refer to:
*
Acceptor (accounting), the addressee of a
bill of exchange
A negotiable instrument is a document guaranteeing the payment of a specific amount of money, either on demand, or at a set time, whose payer is usually named on the document. More specifically, it is a document contemplated by or consisting of a ...
* In the
Indian Contract Act of 1872, the acceptor is the person to whom a proposal is made, and who has communicated his or her acceptance of the said proposal
*
Electron acceptor
An electron acceptor is a chemical entity that accepts electrons transferred to it from another compound. It is an oxidizing agent that, by virtue of its accepting electrons, is itself reduced in the process. Electron acceptors are sometimes mista ...
, in chemistry an atom or compound to which electrons are donated during the formation of a coordinate covalent bond
*
Acceptor (semiconductors)
In semiconductor physics, an acceptor is a dopant atom that when substituted into a semiconductor lattice forms a p-type region.
When silicon (Si), having four valence electrons, is doped with elements from group III of the periodic table, s ...
*
Acceptor (finite-state machine)
A finite-state machine (FSM) or finite-state automaton (FSA, plural: ''automata''), finite automaton, or simply a state machine, is a mathematical model of computation. It is an abstract machine that can be in exactly one of a finite number o ...
, in sequential logic a type of finite-state machine
* Medieval English term for a
hawk
Hawks are bird of prey, birds of prey of the family Accipitridae. They are widely distributed and are found on all continents except Antarctica.
* The subfamily Accipitrinae includes goshawks, sparrowhawks, sharp-shinned hawks and others. Th ...
, from the latin ''accipiter'' meaning any of several species of hawks, probably from ''acu-peter'', "swift-flying"
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