Definition of pyrazoline in English:

pyrazoline

noun pɪˈrazəliːnpʌɪˈrazəliːn

Chemistry

Each of three heterocyclic compounds having the formula C₃H₆N₂ which are dihydro derivatives of pyrazole; specifically 2-pyrazoline; a substituted derivative of such a compound.

Origin

Late 19th century; earliest use found in Journal of the Chemical Society. From pyrazole + -ine, after German Pyrazolin.

Definition of pyrazoline in US English:

pyrazoline

noun

Chemistry

Each of three heterocyclic compounds having the formula C₃H₆N₂ which are dihydro derivatives of pyrazole; specifically 2-pyrazoline; a substituted derivative of such a compound.

Origin

Late 19th century; earliest use found in Journal of the Chemical Society. From pyrazole + -ine, after German Pyrazolin.

单词	pyrazoline
释义	Definition of pyrazoline in English: pyrazoline noun pɪˈrazəliːnpʌɪˈrazəliːn Chemistry Each of three heterocyclic compounds having the formula C₃H₆N₂ which are dihydro derivatives of pyrazole; specifically 2-pyrazoline; a substituted derivative of such a compound. Origin Late 19th century; earliest use found in Journal of the Chemical Society. From pyrazole + -ine, after German Pyrazolin. Definition of pyrazoline in US English: pyrazoline noun Chemistry Each of three heterocyclic compounds having the formula C₃H₆N₂ which are dihydro derivatives of pyrazole; specifically 2-pyrazoline; a substituted derivative of such a compound. Origin Late 19th century; earliest use found in Journal of the Chemical Society. From pyrazole + -ine, after German Pyrazolin.
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