Part of speech: noun

A chemical element first inferred from lines in the spectrum to exist in the sun, now found on the earth.

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Usage examples "helium":

  1. Where is the Princess of Helium? - "The Gods of Mars", Edgar Rice Burroughs.
  2. If Miss Foster's was frost, Commander Bellamy's was helium ice. - "The Galaxy Primes", Edward Elmer Smith.
  3. It consists of various elements which exist in a condition of extreme tenuity; hydrogen, helium, and a substance called coronium appear to predominate, whilst finely divided shining particles of matter and electrical discharges resembling those of an aurora assist in its illumination. - "The Astronomy of Milton's 'Paradise Lost'", Thomas Orchard.