helium
he-li-um
noun
A very light, non-flammable gas, an inert chemical element.
"Helium is often used to inflate party balloons."
Thesaurus
Synonyms: He, atomic number 2
he-li-um
A very light, non-flammable gas, an inert chemical element.
"Helium is often used to inflate party balloons."
Synonyms: He, atomic number 2