actinium meaning

UK US

actinium (noun): a radioactive element of the actinide series; found in uranium ores.

Definition of actinium

  1. a radioactive element of the actinide series; found in uranium ores

    Synonyms: Ac, atomic number 89

    Type of: chemical element

Scrabble score: 12 (letter breakdown)

Word lists: words starting with AC · words ending in UM · 8-letter words

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