hygiene
n. உடல்நல இயல், உடல்நலம் பேணும் கலை, உடல்நலம் பற்றிய தத்துவங்களின் தொகுதி.
Hy"gi*ene, n. Etym: [F. hygiène. See Hygeia.] Defn: That department of sanitary science which treats of the preservation of health, esp. of households and communities; a system of principles or rules designated for the promotion of health.