Heavy gases Synonyms

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

Heavy Synonyms

Gases Synonyms

HG abbreviation

HG is an abbreviation for Heavy Gases

What does HG stand for?

HG stands for "Heavy Gases"

Definitions for Heavy

(adjective) having great weight
(adjective) causing weariness, restlessness, or lack of interest
(adjective) containing much seasoning, fat, or sugar