acceptor

(redirected from hydrogen acceptor)
Also found in: Dictionary, Thesaurus, Medical, Legal.
Related to hydrogen acceptor: hydrogen donor

acceptor

[ak′sep·tər]
(chemistry)
A chemical whose reaction rate with another chemical increases because the other substance undergoes another reaction.
A species that accepts electrons, protons, electron pairs, or molecules such as dyes.
(chemical engineering)
A calcined carbonate used to absorb the carbon dioxide evolved during a coal gasification process.
(solid-state physics)
An impurity element that increases the number of holes in a semiconductor crystal such as germanium or silicon; aluminum, gallium, and indium are examples. Also known as acceptor impurity; acceptor material.

acceptor

References in periodicals archive ?
Per day--250 ml of beet juice, a strong hydrogen acceptor.
Methacrylic acid is the monomer most often used to interact with templates bearing electron donating functionalities, while vinylpyridine makes a good hydrogen acceptor. Interestingly, a combination of the two has also been used with good success.
Bands containing activity were made visible by use of D,L-lactate and [NAD.sup.+] as the substrate, phenazine methosulfate as the intermediate, and 3-[4,5-dimethylthiazol-2-yl]-2,5-diphenyltetrazolium bromide as the final hydrogen acceptor. Isoenzyme bands were scanned with the Appraise densitometer system (Beckman).