Definition of acceptor in English:


Syllabification: ac·cep·tor
Pronunciation: /akˈseptər


  • 1A person or thing that accepts something, in particular.
  • 1.1 Chemistry An atom or molecule that is able to bind to or accept an electron or other species.
    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.
    More 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.

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Pronunciation: ˌkələrəˈto͝orə
elaborate ornamentation of a vocal melody