HYETOGRAPHY
Hy`e*tog"ra*phy, n.

Defn: The branch of physical science which treats of the geographical distribution of rain.

HYETOLOGY
Hy`e*tol"o*gy, n. [Gr. + rain -logy.]

Defn: The science which treats of the precipitation of rain, snow, etc. — Hy`e*to*log"ic*al, a.

HYGEIA
Hy*ge"ia, n. Etym: [L. Hygea, Hygia, fr. Gr. (Classic Myth.)

Defn: The goddess of health, daughter of Esculapius.

HYGEIAN
Hy*ge"ian, a.

Defn: Relating to Hygeia, the goddess of health; of or pertaining to health, or its preservation.

HYGEIST
Hy"ge*ist, n.

Defn: One skilled in hygiena; a hygienist.