helium

synonyms

E939

packaging gas

hypernyms

argonon

chemical element

element

inert gas

noble gas

etymologically-related-terms

Helios

helio-

same-contexts

ammonia

antimatter

argon

bromine

chlorine

coolant

cyanide

deuterium

fluorine

halide

hydrocarbon

hydrogen

lithium

methane

neon

peroxide

propane

propellant

sulfide

uranium