Rhenium

//ˈɹiːniəm// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A metallic chemical element (symbol Re) with an atomic number of 75: a heavy, silvery-gray transition metal. countable, uncountable

    "Before the discovery and confirmation of the existence of rhenium predicted by Mendeleev's periodic law, rhenium was provisionally termed dvi-manganese because of its expected resemblance to manganese."

  2. 2
    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 wordnet
  3. 3
    A single atom of this element. countable

Synonyms

All synonyms
atomic number 75goldironleadmetalre

Example

More examples

"Before the discovery and confirmation of the existence of rhenium predicted by Mendeleev's periodic law, rhenium was provisionally termed dvi-manganese because of its expected resemblance to manganese."

Etymology

From Latin Rhenus (“Rhine”), + -ium.

Related phrases

eka-rheniumrhenium dioxiderhenium heptaoxiderhenium heptaseleniderhenium heptasulfiderhenium heptasulphiderhenium trioxideatomic number

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.