Adjective
Capable of absorbing or dissolving to a greater degree; as, an unsaturated solution.
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.
Source: Webster's dictionaryan unsaturated red Source: Internet
unsaturated fats Source: Internet
an unsaturated salt solution Source: Internet
As a strong oxidant, it cross-links lipids mainly by reacting with unsaturated carbon–carbon bonds and thereby both fixes biological membranes in place in tissue samples and simultaneously stains them. Source: Internet
Beyond the classical Lewis bases and anions, all unsaturated molecules are also ligands, utilizing their pi electrons in forming the coordinate bond. Source: Internet
Exceptions to this rule are the unsaturated ketones such as methyl vinyl ketone with LD 50 of 7 mg/kg (oral). Source: Internet