hermetic /hə(ɹ)ˈmɛtɪk/ adjective6 •Pertaining to Hermes Trismegistus or the writings attributed to him. •Hermetically sealed. •Isolated, away from outside influence.In other words, it is a mistake to regard this or any film text 'as if it were merely hermetic', or an isolated island. — 2010 •Pertaining to alchemy or occult practices; magical, alchemical.Newton subscribed to the hermetic notion that the true knowledge of the universe had been earlier revealed by God to the ancients, the prisci theologi. — 1971 •Pertaining to the ancient Greek Olympian god Hermes. •One who follows/worships Hermes."As above, so below" is an axiom from Hermetic mysticism, and in this Hermetic vision of physiology the tongue is connected through the spinal column to the penis. — 1981 formsmore Hermetic · more hermetic · most Hermetic · most hermetic