from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The science and practice of protecting and improving the health of a community, as by preventive medicine, health education, control of communicable diseases, application of sanitary measures, and monitoring of environmental hazards.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The science and practice of community hygiene; includes preventive medicine, health education, sanitation and environmental safety.
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