单词 | aliphatic |
释义 | aliphatic/ˌalɪˈfatɪk /Chemistry adjective Relating to or denoting organic compounds in which carbon atoms form open chains (as in the alkanes), not aromatic rings.For example, alkyl groups can be introduced into aliphatic hydrocarbons or aromatic hydrocarbons by alkylation reactions....
noun An aliphatic compound.The characteristic that distinguishes benzene from the aliphatics and alicyclics, and that defines the aromatics, is the arrangement of electrons in the ring....
OriginLate 19th century (originally used of the fatty acids): from Greek aleiphar, aleiphat- 'fat' + -ic. |
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