Not saturated; capable of dissolving more of a substance at a given temperature.

Roget 865: desirous; desiring etc. v.; inclined etc. (willing) 602; partial to; fain, wishful, optative^†; anxious, wistful, curious; at a loss for, sedulous, solicitous.    craving, hungry, sharp-set, peckish^†, ravening, with an empty stomach, esurient^†, lickerish^†, thirsty, athirst, parched with thirst, pinched with hunger, famished, dry, drouthy^†; hungry as a hunter, hungry as a hawk, hungry as a horse, hungry as a church mouse, hungry as a bear.    [excessively desirous] greedy etc. 817.1. unsatisfied, unsated, unslaked; unsaturated.    eager, avid, keen; burning, fervent, ardent; agog; all agog; breathless; impatient etc. (impetuous) 825; bent on, intent on, set on, bent upon, intent upon, set upon; mad after, enrage, rabid, dying for, devoured by desire.    aspiring, ambitious, vaulting, skyaspiring, high-reaching.    desirable; desired etc. v.; in demand; pleasing etc. (giving pleasure) 829; appetizing, appetible^†; tantalizing.    ... show more

Used of a compound (especially of carbon) containing atoms sharing more than one valence bond.

of color Not chromatically pure; diluted.