'rhenium' definitions:

Definition of 'rhenium'

From: WordNet
noun
A rare heavy polyvalent metallic element that resembles manganese chemically and is used in some alloys; is obtained as a by-product in refining molybdenum [syn: rhenium, Re, atomic number 75]

Definition of 'rhenium'

From: Elements
  • Symbol: Re
  • Atomic number: 75
  • Atomic weight: 186.2
  • Silvery-white metallic transition element. Obtained as a by-product of molybdenum refinement. Rhenium-molybdenum alloys are superconducting.