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单词 paraphosphate
释义

paraphosphaten.

Origin: Formed within English, by derivation; modelled on a German lexical item. Etymons: para- prefix1, phosphate n.
Etymology: < para- prefix1 + phosphate n., after German Paraphosphat (Berzelius 1830, in Ann. der Physik u. Chem. 19 328).
Chemistry. Obsolete. rare.
= pyrophosphate n.
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the world > matter > chemistry > chemical substances > esters > [noun] > salts, esters, or anions > others
citrate1788
pyrophosphate1827
paraphosphate1837
thioglycolate1877
isatogenate1882
orotate1905
hydrazoate1910
octoate1911
octanoate1945
1837 Philos. Trans. (Royal Soc.) 127 69 In the same paper Dr. Otto describes another extraordinary phosphate, under the name of paraphosphate of soda, ammonia, and oxide of manganese.
1866–8 H. Watts Dict. Chem. IV. 537 Intermediate between ortho- and meta-phosphates there are at least three distinct classes of salts, the most important of which are pyrophosphates or paraphosphates.
This entry has been updated (OED Third Edition, June 2005; most recently modified version published online June 2018).
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n.1837
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