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单词 unsaturated
释义 un·saturated
\“+\ adjective
: not saturated: as
 a. : capable of absorbing or dissolving to a greater degree
  < an unsaturated salt solution >
 b. of a chemical compound or mixture : able to form addition products — used especially of organic compounds containing double or triple bonds between carbon atoms
  < ethylene, acetylene, and oleic acid are unsaturated compounds >
  < hydrogenation of unsaturated vegetable and marine oils — O.B.J.Fraser >
 c. : relating to minerals (as nepheline and leucite) that generally do not form in the same rock with quartz
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