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pyrazolone
[ pi-raz-uh-lohn, pahy- ]
noun
, Chemistry.
- any of the group of heterocyclic compounds containing the pyrazoline ring in which one carbon atom is doubly linked to an oxygen atom not in the ring.
- the parent compound, C 3 H 4 N 2 O.
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Word History and Origins
Origin of pyrazolone1
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Example Sentences
When the reaction is complete the acid is neutralized with soda, and the phenyl methyl pyrazolone extracted with ether and distilled in vacuo.
From Project Gutenberg
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