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acceptor Line breaks: ac|cept¦or
Pronunciation: /əkˈsɛptə/

Definition of acceptor in English:


1A person or thing that accepts something, in particular:
1.1 Chemistry An atom or molecule which is able to bind to or accept an electron or other species: some micro-organisms can use oxygen as an electron acceptor
More example sentences
  • The first step of the Calvin cycle is the addition of carbon dioxide to an acceptor molecule.
  • The glow of the firefly, which is due to the oxidation of the molecule luciferin, with the enzyme luciferase acting as a catalyst in the oxidation process and oxygen acting as the electron acceptor, is an example of bioluminescence.
  • Peroxidases are haem-containing enzymes which mediate oxidation of a variety of molecules using hydrogen peroxide as an electron acceptor.
1.2 Physics An acceptor atom forming a positive hole in a semiconductor.
Example sentences
  • Our results suggest that the mechanism of signaling state formation in this new family involves the deprotonation of the FAD chromophore, a process in which a conserved tyrosine may function as the proton acceptor.
  • The number of photons needed approaches infinity when the acceptor is completely depolarized.
  • The holes likewise leave negative acceptor ions.
Definition of acceptor in:
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