Hygienics
ahd-5
noun.
undefined
The Century Dictionary and Cyclopedia
noun.
The art of maintaining health; hygiene; sanitary science.
the GNU version of the Collaborative International Dictionary of English
noun.
The science of health; hygiene.
Wiktionary, Creative Commons Attribution/Share-Alike License
noun.
The
science
of
hygiene
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
the science concerned with the prevention of illness and maintenance of health
Word Usage
"There were at least a billion options, and I didn't know anything about the scientifically named ingredients of oral hygienics."