ETYM French hygične. Related to Hygeia.
The science of the preservation of health and prevention of disease through the promotion of cleanliness. It is chiefly concerned with such factors as the purity of air and water; bodily cleanliness; cleanliness in the home and workplace; and sound practice in the preparation and distribution of food.
1. A condition promoting sanitary practices.
2. The science concerned with the prevention of illness and maintenance of health; SYN. hygienics.