Pyrazolone
[pi-raz-uh-lohn, pahy-] /pɪˈræz əˌloʊn, paɪ-/
noun, Chemistry.
1.
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.
2.
the parent compound, C 3 H 4 N 2 O.
pyrazolone py·raz·o·lone (pĭ-rāz’ə-lōn’)
n.
A class of nonsteroidal anti-inflammatory agents, such as phenylbutazone, used in the treatment of arthritis.
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