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rhenium

/ˈɹiːniəm/noun

rhenium is a noun meaning “A metallic chemical element with the atomic number 75: a heavy, silvery-gray transition metal” (English Wiktionary, September 2026). It is spelled R-H-E-N-I-U-M, and it appears about once in every 13 million words in written English (wordfreq, 2021 data). The plural of rhenium is rheniums.

What does rhenium mean?

noun

  1. 1

    A metallic chemical element with the atomic number 75: a heavy, silvery-gray transition metal.

  2. 2

    An atom of this element.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

How do you pronounce rhenium?

  • /ˈɹiːniəm/

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vininn126-rhenium.wav, LL-Q1860_(eng)-Naomi_Persephone_Amethyst_(NaomiAmethyst)-rhenium.wav, LL-Q1860_(eng)-Tesco250-rhenium.wav, Wikimedia Commons (author and licence on each file's page).

Forms of rhenium

  • rheniums plural

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

How common is rhenium?

Rhenium appears about once in every 13 million words in written English, the 106,501st most frequent word form in the list.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

Rhenium in Spanish, French, German and Portuguese

In the sense chemical element:

LanguageWords
Frenchrhénium
GermanRhenium
Portugueserénio
Spanishrenio

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.

Where does rhenium come from?

From Latin Rhenus (“Rhine”), + -ium.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).