non-saturated
/nɒnˈsatʃʊreɪtɪd/ /nɒnˈsatjʊreɪtɪd/adjective
Not saturated, unsaturated; (Chemistry ) not having the greatest possible number of hydrogen atoms in the molecule.
Origin
Mid 19th century; earliest use found in James Manby Gully (1808–1883), physician and hydropath. From non- + saturated.