helium Hear it!

helium Definition

he·lium (hē′lē əm)

noun

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. no., 2

Etymology: ModL < Gr hēlios: see Helios

helium Usage Examples

Converse of object

  • ionize: Absorption by the forest gas in the equivalent resonance line of singly ionized helium also appears to be ubiquitous.
  • inhale: And then inhale the helium out the big can you will have to hire all in part of helping out Crowfield.
  • fill: An 18 inch helium filled foil balloon is a super newborn baby gift for a girl or boy.
  • cool: The reactor is helium cooled with a graphite moderated core.
  • produce: We generically expect about 24 % of the ordinary matter in the universe to be helium produced in the Big Bang.
  • contain: Disposable Helium A disposable tank contains enough helium to inflate 50 x 9 " latex balloons or approximately 25 x 18 " foil balloons.

Preposition: at

  • temperature: Perhaps some details of the strange behavior of liquid helium at a temperature just above absolute zero would be useful.

Adjective modifier

  • superfluid: It is Herschel's supply of superfluid Helium which dictates how long its operational lifespan will be.
  • liquid: The solvent used in the experiment was liquid helium.
  • more: As more helium is accreted, the process repeats itself until all the matter from the companion star is used up.

Modifies a noun

  • balloon: We also bought her a helium balloon, which she loved pulling around by the string.
  • cryostat: The researchers can cool a beam of hydrogen atoms using a helium cryostat to just 10 degrees above absolute zero.
  • nucleus: The alpha particle is a helium nucleus - one of the products of a nuclear fission.
  • atom: The helium atom beam is directed at a sample crystal.
  • scattering: In many areas, conventional helium scattering has been limited by the energy resolution with which such measurements can be made.
  • leak: Helium mass spectrometer leak test to detect even the tiniest of leaks.

Noun used with modifier

  • inch: An 18 inch helium filled foil balloon is a super newborn baby gift for a girl or boy.
  • %: Jupiter is about 90 % hydrogen and 10 % helium with traces of methane, water, ammonia and rock.
  • element: Early in star development hydrogen is utilized to manufacture the element helium.

Preposition: in

  • balloon: If you put helium in a balloon and let go of the balloon, the balloon rises until it pops.