[ hur-met-ik ]
/ hɜrˈmɛt ɪk /
made airtight by fusion or sealing.
not affected by outward influence or power; isolated.
(sometimes initial capital letter) of, relating to, or characteristic of occult science, especially alchemy.
(initial capital letter) of or relating to Hermes Trismegistus or the writings ascribed to him.
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Origin of hermetic
1630–40; <Medieval Latin hermēticus
of, pertaining to Hermes Trismegistus, equivalent to Latin Hermē
OTHER WORDS FROM hermeticun·her·met·ic, adjective
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for hermetic
The pressure of the neck of the bottle against this disk is such that the closing is absolutely hermetical.
His measure of usefulness became full in 1798 when the hermetical seal of death closed his bright career.
A sect of hermetical philosophers, founded in the fifteenth century, who were engaged in the study of abstruse sciences.
The closing is made hermetical by means of an India rubber tube, K, which presses against the glass and the cover.
sealed so as to be airtight
hidden or protected from the outside world
Derived forms of hermetichermetically, adverb
Word Origin for hermetic
C17: from Medieval Latin hermēticus belonging to Hermes Trismegistus, traditionally the inventor of a magic seal
of or relating to Hermes Trismegistus or the writings and teachings ascribed to him
of or relating to ancient science, esp alchemy
esoteric or recondite
Word Origin for Hermetic
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Completely sealed, especially against the escape or entry of air.
Other words from hermeticher•met′i•cal•ly adv.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.