Hydrogen helium Synonyms

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

Hydrogen Synonyms

Helium Synonyms

HH abbreviation

HH is an abbreviation for Hydrogen Helium
What does HH stand for?
HH stands for "Hydrogen Helium"

Definitions for Hydrogen


  • (noun) a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe

Definitions for Helium


  • (noun) a very light colorless element that is one of the six inert gasses; the most difficult gas to liquefy; occurs in economically extractable amounts in certain natural gases (as those found in Texas and Kansas)