acceptor
/əkˈsɛptə
/noun
1 (also accepter) A person or thing that accepts or receives something: he hoped to make the most of being one of the first acceptors of bitcoin in the Sydney marketplace don’t all award accepters memorize what to say beforehand?...
- The Melbourne Cup has attracted a total of 168 first acceptors.
- At maturity the Discount House will collect the face value of the bill from the acceptor.
- There are only around 100 000 card accepters in South Africa serving a population of around 60 million.
2 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...
- 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.
0.1 Physics An acceptor atom forming a positive hole in a semiconductor.The number of photons needed approaches infinity when the acceptor is completely depolarized....
- The holes likewise leave negative acceptor ions.
- The results support the idea that the strength of hydrogen bonding reflects the magnitude of the charges on the associated proton donor and acceptor atoms.