Meaning of rhenium

rhe•ni•um

Pronunciation: (rē'nē-um), [key]
— n. Chem.
  1. a rare metallic element of the manganese subgroup: used, because of its high melting point, in platinum-rhenium thermocouples. Symbol: Re; at. no.: 75; at. wt.: 186.2.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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