unsaturated
nounEtymology From un- + saturated.
1
An unsaturated hydrocarbon.
- […] the unsaturateds (mainly butadiene and cyclopentadiene) in these gases.1953, The Chemical Trade Journal and Chemical Engineer (page 788)
unsaturated
adjEtymology From un- + saturated.
1
Chemistry, Natural sciences, Physical sciences Of a solution Not saturated; capable of dissolving more of a solute at the same temperature.
2
Chemistry, Natural sciences, Physical sciences Of a compound containing atoms sharing more than one valence bond, especially of an organic compound having one or more double bonds or triple bonds between carbon atoms.
3
Of a colour Not chromatically pure; diluted.