Answer | Crossword Clue |
---|---|
INERT | Chemically nonreactive, as a gas |
getters | any substance introduced into a partial vacuum, as the interior of a vacuum tube or an incandescent lamp, to combine chemically with the residual gas in order to increase the vacuum |
getter | any substance introduced into a partial vacuum, as the interior of a vacuum tube or an incandescent lamp, to combine chemically with the residual gas in order to increase the vacuum |
INERT | Chemically nonreactive |
INERT | Nonreactive, chemically |
OXIDES | Laughing gas and water, chemically |