acceptor
[ ak-sep-ter ]
/ ækˈsɛp tər /
noun
Finance. a person who accepts a draft or bill of exchange, especially the drawee who signs the draft or bill, confirming a willingness to pay it when due.
Also called acceptor atom, acceptor impurity. Physics. an atom of impurity in a semiconducting crystal such that the atom can capture an electron, creating a hole in a filled electron shell and thereby changing the electric conductivity of the crystal.
Chemistry. an atom, ion, group of atoms, or compound that combines with, or accepts, another entity, thereby profoundly affecting physical and chemical properties: electron acceptor; water acceptor.
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Nearby words
acceptee, accepter, accepting, accepting house, acceptive, acceptor, access, access broker, access charge, access code, access course
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Examples from the Web for acceptor
British Dictionary definitions for acceptor
acceptor
/ (əkˈsɛptə) /
noun
commerce the person or organization on which a draft or bill of exchange is drawn after liability has been accepted, usually by signature
Also called: acceptor impurity electronics an impurity, such as gallium, added to a semiconductor material to increase its p-type conductivity by increasing the number of holes in the semiconductorCompare donor (def. 5)
electronics a circuit tuned to accept a particular frequency
chem the atom or group that accepts electrons in a coordinate bond
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Medicine definitions for acceptor
acceptor
n.
The reactant in an induced reaction that has an increased rate of reaction in the presence of the inductor.
The atom that contributes no electrons to a covalent bond.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Science definitions for acceptor
acceptor
[ ăk-sĕp′tər ]
The reactant in an induced chemical reaction that has an increased rate of reaction in the presence of the inductor.
An atom or molecule that receives one or more electrons from another atom or molecule, resulting in a chemical bond or flow of electric current. Compare donor. See also electron carrier.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.