From WordNet (r) 2.0 (August 2003) [wn]:
hygiene
n 1: a condition promoting sanitary practices; "personal hygiene"
2: the science concerned with the prevention of illness and
maintenance of health [syn: hygienics]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Hygiene \Hy"gi*ene\, n. [F. hygi[`e]ne. See Hygeia.]
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.
[1913 Webster]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Regimen \Reg"i*men\ (r?j"?*m?n), n. [L. regimen, -inis, fr.
regere to guide, to rule. See Right, and cf. Regal,
{R['e]gime}, Regiment.]
1. Orderly government; system of order; adminisration.
--Hallam.
[1913 Webster]
2. Any regulation or remedy which is intended to produce
beneficial effects by gradual operation; esp. (Med.), a
systematic course of diet, etc., pursed with a view to
improving or preserving the health, or for the purpose of
attaining some particular effect, as a reduction of flesh;
-- sometimes used synonymously with hygiene.
[1913 Webster]
3. (Gram.)
(a) A syntactical relation between words, as when one
depends on another and is regulated by it in respect
to case or mood; government.
(b) The word or words governed.
[1913 Webster]