Heavier-than-air gases Synonyms

We can't find synonyms for the phrase "Heavier-than-air gases", but we have synonyms for terms, you can combine them.

Heavier-than-air Synonyms

Gases Synonyms

HG abbreviation

HG is an abbreviation for Heavier-than-air Gases

What does HG stand for?

HG stands for "Heavier-than-air Gases"

Definitions for Heavier-than-air

(adjective) relating to an aircraft heavier than the air it displaces