dictionary.pt
helium
nounmasculinetechnicaluncommon/ˈɛlju/hé·li·o
Definition
1A chemical element that is a gaseous, inert, colorless, and odorless noble gas, with atomic number 2 and symbol He.
Usage examples
“Helium is used to fill party balloons.”
“Helium is the second most abundant element in the universe.”
Common combinations
helium gashelium balloonhelium atom