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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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更新时间:2024/11/11 3:40:17