The science that deals with the promotion and preservation of health. Also called hygienics.
Conditions and practices that serve to promote or preserve health: hygiene in the workplace; personal hygiene.
[French hygiène and New Latin hygieina, both from Greek hugieinē (tekhnē), (art) of health, feminine of hugiēs, healthy; see gwei- in Indo-European roots.] hy·gien'ist (hī-jē'nĭst, hī'jē'-, hī-jěn'ĭst) n.
Main Entry: hy·gien·ist Pronunciation: hI-'jEn-&st, -'jen-; 'hI-"jEn- Function: noun : a specialist in hygiene; especially: one skilled in a specified branch of hygiene hygienist> —see DENTAL HYGIENIST