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There are 6 words containing ACTINIUM

ACTINIUM• actinium n. A radioactive, metallic chemical element (symbol: Ac) with an atomic number of 89; found in uranium ores.
• ACTINIUM n. a radioactive metallic chemical element, atomic number 89, the first element of the actinide series.
ACTINIUMS• actiniums n. Plural of actinium.
• ACTINIUM n. a radioactive metallic chemical element, atomic number 89, the first element of the actinide series.
PROTACTINIUM• protactinium n. A chemical element (symbol Pa) with atomic number 91: a dense, silvery-gray actinide metal.
• PROTACTINIUM n. a radioactive metallic chemical element, a member of the actinide series which occurs as a decay product in uranium ores.
PROTACTINIUMS• PROTACTINIUM n. a radioactive metallic chemical element, a member of the actinide series which occurs as a decay product in uranium ores.
PROTOACTINIUM• protoactinium n. Dated form of protactinium.
• PROTOACTINIUM n. a radioactive element that yields actinium on disintegration.
PROTOACTINIUMS• PROTOACTINIUM n. a radioactive element that yields actinium on disintegration.

Scrabble words — in black are valid world wide — in RED are not valid in North America — in GREEN are valid only in North America.
Definitions are short excerpt from the 1Word.ws and WikWik.org.

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See this list for:

  • English Wiktionary: 8 words
  • Scrabble in French: 4 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: no word
  • Scrabble in German: 2 words
  • Scrabble in Romanian: no word


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