hermetically Meaning, Definition & Usage

Her*met"ic*al*ly adverb

Definitions

1. In an hermetical manner; chemically. Boyle.
2. By fusion, so as to form an air-tight closure. ✍ 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.