different between polysemic vs dehydrase
polysemic
English
Etymology
polyseme +? -ic
Pronunciation
IPA(key): /p?.l?.?si?.m?k/
Adjective
polysemic (comparative more polysemic, superlative most polysemic)
- (linguistics) Having a number of meanings, interpretations or understandings.
- Synonyms: polysemantic, polysemous
- Antonyms: monosemous, univocal
Related terms
- oligosemic
- polyseme
- polysemy
Translations
polysemic From the web:
- polysemic meaning
- what does polysemous mean
- what are polysemic words
- what is polysemic in media
- what does polysemous mean in media
- what does polysemic
- what is polysemic language
- what does polysemic nature mean
dehydrase
English
Etymology
Formed as de- + hydr- +? -ase, by analogy with the German Dehydrase.
Pronunciation
- (Received Pronunciation) enPR: d?h??dr?z, d?h??dr?s, IPA(key): /di??ha?d?e?z/, /di??ha?d?e?s/
Noun
dehydrase (plural dehydrases)
- (biochemistry, disused) dehydrogenase
- 1914, Chemical Abstracts, volume 8, page 3,051
- It is shown by means of a typical dehydrase, Schardinger’s milk enzyme, that oxidase, reductase and mutase are 1 and the same enzyme.
- 1939, Sir Thomas Edward Thorpe, A Dictionary of Applied Chemistry [4th ed.], volume 3, page 553, column 2
- Citric acid dehydrase is present in the liver and in vegetable material acting on citric acid.
- 1959, N. Campbell [contrib.] and Ernest Harry Rodd [ed.], Chemistry of Carbon Compounds, volume 4B, chapter 8, page 942
- Freudenberg also postulates a second process whereby catechins in the presence of dehydrases undergo condensation by dehydrogenation.
- 1914, Chemical Abstracts, volume 8, page 3,051
- (biochemistry, disused) dehydratase
- 1953, Advances in Enzymology, volume 14, page 243
- The usual English term ‘dehydrase’ for an enzyme dehydrating a substrate was changed to dehydratase, because Dehydrase in German…means a dehydrogenating enzyme rather than an enzyme splitting off water.
- 1957, Journal of General Microbiology, volume 16, page 480
- The enzymic dehydration of tartaric acid to oxaloacetic acid, first established…for the d-isomer, occurs also with the meso- and l-isomers, and the attack on all three tartaric acids by bacteria of the genus Pseudomonas appears to occur principally by means of stereospecific dehydrases.
- 1953, Advances in Enzymology, volume 14, page 243
Usage notes
- The polysemic term dehydrase has been superseded by the more specific terms dehydrogenase and dehydratase since its proscription by the IUBMB in 1961.
References
- “dehydrase” listed in the Oxford English Dictionary [2nd ed., 1989]
dehydrase From the web:
- what does dehydrase mean
- what is dehydratase deficiency porphyria
- what is dehydratase deficiency
- what mean dehydratase
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