Hypertext Webster Gateway: "unsaturated"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Unsaturated \Un*sat"u*ra`ted\, a.
1. Capable of absorbing or dissolving to a greater degree;
as, an unsaturated solution.
2. (Chem.) Capable of taking up, or of uniting with, certain
other elements or compounds, without the elimination of
any side product; thus, aldehyde, ethylene, and ammonia
are unsaturated.
From WordNet (r) 1.7 (wn)
unsaturated
adj 1: not saturated; capable of dissolving more of a substance at
a given temperature; "an unsaturated salt solution"
[ant: {saturated}]
2: (chemistry) used of a compound (especially of carbon)
containing atoms sharing more than one valence bond;
"unsaturated fats" [ant: {saturated}]
3: (of color) not chromatically pure; diluted; "an unsaturated
red" [ant: {saturated}]
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