Definitions for helium

• Definition
• Anagrams (73)

helium he·li·um

Spelling: [hee-lee-uh m]

IPA: /ˈhi li əm/

Helium is a 6 letter English word. It's valid Scrabble word worth 11 points. It's valid Words with friends word worth 13 points.

You can make 73 anagrams from letters in helium (ehilmu).

Definitions for helium

noun

1. an inert, gaseous element present in the sun's atmosphere and in natural gas, and also occurring as a radioactive decomposition product, used as a substitute for flammable gases in dirigible balloons. Symbol: He; atomic weight: 4.0026; atomic number: 2; density: 0.1785 g/l at 0°C and 760 mm pressure.
2. colorless liquid helium existing below its boiling point of 4.2 K and above the lambda point of 2.186 K.
3. liquid helium existing as a superfluid below the lambda point of 2.186 K, having very low viscosity and very high thermal conductivity.

Origin of helium

1875-80; New Latin Greek hḗli(os) the sun + New Latin -ium -ium

Examples for helium

The brain is a physical thing—a bunch of cryotrons in a helium bath.

After he inhaled sulfur hexafluoride, a compound that acts like helium, his voice got very deep.

There was only one thing to do, there being only one other gas comparable in lightness to helium.

She added in the high-pitched, over-enunciated voice, like she was alternating between sucking on helium and a bong.

He thought he could send Man to the stars on a string of helium nuclei.

They hadn't realized that the helium production had gone wild.

The helium line of the latter had never been noticed to be double.

It was easier to cool the helium bath of the brain if it only had to be lowered 175 degrees or so.

As for Hydorn, she says that if she herself hits that low spot, she may one day use the helium hood, too.

And once, Olivia says, “we got balloons full of helium with messages to him and we let them go at night.”