[ ak-sep-ter ]
See synonyms for acceptor on
  1. 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.

  1. 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.

  2. 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.

Origin of acceptor

1350–1400; Middle English, in phrase acceptour of persones;accept + -or2, or (<Anglo-French acceptour) <Latin acceptor, equivalent to accep-, variant stem of accipere to receive, get (see accept) + -tor-tor

Words Nearby acceptor Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use acceptor in a sentence

British Dictionary definitions for acceptor


/ (əkˈsɛptə) /

  1. commerce the person or organization on which a draft or bill of exchange is drawn after liability has been accepted, usually by signature

  2. 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 semiconductor: Compare donor (def. 5)

  1. electronics a circuit tuned to accept a particular frequency

  2. chem the atom or group that accepts electrons in a coordinate bond

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for acceptor


[ ăk-sĕptər ]

  1. The reactant in an induced chemical reaction that has an increased rate of reaction in the presence of the inductor.

  2. 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.