n. The science of health, its promotion and preservation.
n. Those conditions and practices that promote and preserve health.
n. Cleanliness, in the context of personal hygiene.
the GNU version of the Collaborative International Dictionary of English
n. 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.
The Century Dictionary and Cyclopedia
n. That department of medical knowledge which concerns the preservation of health; a system of principles or rules designed for the promotion of health; sanitary science.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a condition promoting sanitary practices
n. the science concerned with the prevention of illness and maintenance of health
Word Usage
"The class in hygiene is so big that the professor has n't time to read the papers; he just goes down the list and flunks every thirteenth girl."