Definition of pyridazine in English:

pyridazine

noun pɪˈrɪdəziːn

Chemistry

A weakly basic, liquid, heteroaromatic compound which is a diazine with the nitrogen atoms at adjacent positions in the ring; any substituted derivative of this compound.

Origin

Late 19th century; earliest use found in Henry Forster Morley (b. 1855). From German Pyridazin from pyrid- (in Pyridin) + -azin, after -pyridazin-.

Definition of pyridazine in US English:

pyridazine

nounpɪˈrɪdəziːn

Chemistry

A weakly basic, liquid, heteroaromatic compound which is a diazine with the nitrogen atoms at adjacent positions in the ring; any substituted derivative of this compound.

Origin

Late 19th century; earliest use found in Henry Forster Morley (b. 1855). From German Pyridazin from pyrid- (in Pyridin) + -azin, after -pyridazin-.

单词	pyridazine
释义	Definition of pyridazine in English: pyridazine noun pɪˈrɪdəziːn Chemistry A weakly basic, liquid, heteroaromatic compound which is a diazine with the nitrogen atoms at adjacent positions in the ring; any substituted derivative of this compound. Origin Late 19th century; earliest use found in Henry Forster Morley (b. 1855). From German Pyridazin from pyrid- (in Pyridin) + -azin, after -pyridazin-. Definition of pyridazine in US English: pyridazine nounpɪˈrɪdəziːn Chemistry A weakly basic, liquid, heteroaromatic compound which is a diazine with the nitrogen atoms at adjacent positions in the ring; any substituted derivative of this compound. Origin Late 19th century; earliest use found in Henry Forster Morley (b. 1855). From German Pyridazin from pyrid- (in Pyridin) + -azin, after -pyridazin-.
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