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单词 pentacyclic
释义

Definition of pentacyclic in English:

pentacyclic

adjective
  • 1Botany (of a flower) having the parts arranged in five whorls (rare).

  • 2Chemistry having five rings of atoms in the molecule.

Origin

Late 19th century; earliest use found in Alfred Bennett (1833–1902), botanist and publisher. From penta- + ancient Greek κύκλος cycle + -ic, after German pentacyclisch.

 
 

Definition of pentacyclic in US English:

pentacyclic

adjective
  • 1Botany (of a flower) having the parts arranged in five whorls (rare).

  • 2Chemistry having five rings of atoms in the molecule.

Origin

Late 19th century; earliest use found in Alfred Bennett (1833–1902), botanist and publisher. From penta- + ancient Greek κύκλος cycle + -ic, after German pentacyclisch.

 
 
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更新时间:2024/9/20 13:40:46