"hygienics"@en-us . . . . . "0"^^ . "106051380"^^ . . . . . "hygiene"^^ . . . . . "the science concerned with the prevention of illness and maintenance of health"@en-us . "105693751"@en-us . "104628105"@en-us . . . "0.5"^^ . . . "06051380-n"^^ . "the science concerned with the prevention of illness and maintenance of health"@en-us . . . . . "hygiene"@en-us .