Medical Dictionary

hermetic

adj her·met·ic \(ˌ)hər-ˈmet-ik\

Medical Definition of HERMETIC

:  being airtight or impervious to air
her·met·i·cal·ly \-i-k(ə-)lē\ adverb

Biographical Note for HERMETIC

Her·mes Tris·me·gis·tus, \ˈhər-(ˌ)mēz-ˌtris-mə-ˈjis-təs\ Greek mythological character. Hermes Trismegistus was identified by the Greeks with the Egyptian god Thoth. To him was ascribed authorship of various works on astrology, magic, alchemy, and medicine. It was also believed that he had invented a magic seal to keep vessels airtight, and from his name the adjective hermetic meaning airtight was derived.

Browse

May 22, 2015
nepotism Hear it
favoritism based on kinship
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears