Third-person singular simple present indicative form of unpopulate

present participle of groom

(chiefly zoology) A small opening or orifice. / (zoology, obsolete) One of the suckers on the head of a tapeworm. / (zoology) The main opening in a sponge from which water is expelled.

(organic chemistry) A flat polycyclic aromatic hydrocarbon, isolated from coal tar, consisting of four fused benzene rings.