Usually means: Elements in periodic table series.
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We found 22 dictionaries that define the word actinoid:

General (19 matching dictionaries)
  1. actinoid: Merriam-Webster
  2. actinoid: American Heritage Dictionary of the English Language
  3. actinoid: Collins English Dictionary
  4. actinoid: Vocabulary.com
  5. actinoid: Wordnik
  6. actinoid: Wiktionary
  7. actinoid: Webster's New World College Dictionary, 4th Ed.
  8. actinoid: The Wordsmyth English Dictionary-Thesaurus
  9. actinoid: Infoplease Dictionary
  10. Actinoid, actinoid: Dictionary.com
  11. Actinoid: Wikipedia, the Free Encyclopedia
  12. Actinoid: Online Plain Text English Dictionary
  13. actinoid: Webster's Revised Unabridged, 1913 Edition
  14. actinoid: Rhymezone
  15. Actinoid: AllWords.com Multi-Lingual Dictionary
  16. actinoid: FreeDictionary.org
  17. actinoid: Mnemonic Dictionary
  18. actinoid: TheFreeDictionary.com
  19. actinoid: Merriam-Webster

Computing (1 matching dictionary)
  1. actinoid: Encyclopedia

Medicine (2 matching dictionaries)
  1. online medical dictionary (No longer online)
  2. actinoid: Medical dictionary

(Note: See actinoids as well.)

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Definitions from Wiktionary (actinoid)

▸ noun:  (inorganic chemistry) actinide
▸ adjective:  Having the form of rays; radiated, as in the species of the family Actiniidae.

Similar:
actinomorphic, actinomorphous, organoactinide, actinide, actinate, actineon, superactinide, Acton, exactinio, actinon, more...

Opposite:
non-actinoid, lanthanide, rare earth element

Phrases:
actinoid series elements, more...

▸ Words similar to actinoid

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▸ Popular adjectives describing actinoid

▸ Popular nouns described by actinoid

▸ Words that often appear near actinoid

▸ Rhymes of actinoid

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Similar:
actinomorphic, actinomorphous, organoactinide, actinide, actinate, actineon, superactinide, Acton, exactinio, actinon, more...

Opposite:
non-actinoid, lanthanide, rare earth element

Phrases:
actinoid series elements, more...



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