'Hermetically' definitions:
Definition of 'hermetically'
(from WordNet)
adverb
In an airtight manner; "this bag is hermetically sealed"
Definition of 'Hermetically'
From: GCIDE
- Hermetically \Her*met"ic*al*ly\, adv.
- 1. In an hermetical manner; chemically. --Boyle. [1913 Webster]
- 2. By fusion, so as to form an air-tight closure. [1913 Webster]
- Note: A vessel or tube is hermetically sealed when it is closed completely against the passage of air or other fluid by fusing the extremity; -- sometimes less properly applied to any air-tight closure. [1913 Webster]