Meaning Of The Word Helium

Real Dictionary
  1. Real Dictionary
  2. H Words Definitions
  3. Section H-099
  4. Helium

What's the definition of Helium? Find Helium meanings, definitions and more at the Real Dictionary online.

Helium Meaning

Helium Definition
Helium Definition

What's The Definition Of Helium?

helium
uncountable noun: Helium is a very light gas that is colourless and has no smell.

helium in American English
a colorless, odorless chemical element, one of the noble gases, having the lowest known boiling and melting points: it is used in low-temperature work, as a diluent for oxygen, in deep-sea breathing systems, for inflating balloons, etc.: symbol, He; at. n
noun: 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; at. wt.: 4.0026; at. no.: 2; density: 0.1785 g/ l at 0

helium in British English
noun: a very light nonflammable colourless odourless element that is an inert gas, occurring in certain natural gases: used in balloons and in cryogenic research. Symbol: He; atomic no: 2; atomic wt: 4.002602; density: 0.1785 kg/m3; at normal pressures it is li

More Definitions

A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

Definitions Of The Day