Meaning of unsaturated

un•sat•u•rat•ed

Pronunciation: (un-sach'u-rā"tid), [key]
— adj.
  1. not saturated; having the power to dissolve still more of a substance.
  2. (of an organic compound) having a double or triple bond and capable of taking on elements or groups by direct chemical combination without the liberation of other elements or compounds, as ethylene, CH=CH; undersaturated.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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