simple past tense and past participle of sanify

(transitive, dated) To make healthy.

(organic chemistry) An orthoquinone present in the roots of Salvia lanigera

plural of sanitary

(euphemistic) Facilities for handling human waste; Structure containing toilets, seats over a cesspit, or tanks for holding excrement. / White knee-length stockings.

The engineering and construction of sewerage systems.

plural of sanitary engineer

A person who works in sanitary engineering.