rhenium

rhe·ni·um  (rn-m)

n. Symbol Re

A rare, dense, silvery-white metallic element with a very high melting point used for electrical contacts and with tungsten for high-temperature thermocouples. Atomic number 75; atomic weight 186.2; melting point 3,180°C; boiling point 5,627°C; specific gravity 21.02; valence 1, 2, 3, 4, 5, 6, 7. See Table at element.

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[From Latin Rhnus, the Rhine.]

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rhenium

Noun

Chem a silvery-white metallic element with a high melting point Symbol: Re[Latin Rhenus the Rhine]

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rhenium  (rn-m)

Symbol Re

A very rare, dense, silvery-white metallic element with a very high melting point. It is used to make catalysts and electrical contacts. Atomic number 75; atomic weight 186.2; melting point 3,180°C; boiling point 5,627°C; specific gravity 21.02; valence 1, 2, 3, 4, 5, 6, 7. See Periodic Table.

Thesaurus

Noun

1.

rhenium - 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 atomic number 75, Re metal, metallic element - any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.