Definition of actinide
- any of a series of radioactive elements with atomic numbers 89 through 103. Synonyms: actinoid, actinon.
Rhymes with actinide
allied, amide, apartheid, arsenide, backside, backslide, beatified, bedside, blindside, broadside, bromide, burnside, carbide, certified, citywide, classified, cockeyed, codified, countryside, countrywide.
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Scrabble and Words With Friends points
- actinide is a valid Scrabble US word, worth 11 points
- actinide is a valid Scrabble UK word, worth 11 points
- actinide is a valid Words With Friends word, worth 13 points