Word.ws English Dictionary

actinoid

/ˈæktɪnɔɪd/

actinoid noun: actinide.

Noun

actinoid (plural actinoids)

  1. actinide

Adjective

actinoid

  1. Having the form of rays; radiated, as in the species of the family Actiniidae.

Forms of actinoid

pluralactinoids

Origin of actinoid

From actin- + -oid.

Words formed from actinoid

Questions about actinoid

What does actinoid mean?
Actinoid means actinide.
What part of speech is actinoid?
Actinoid can be a noun or an adjective.
How do you pronounce actinoid?
Actinoid is pronounced /ˈæktɪnɔɪd/.
What is the plural of actinoid?
The plural of actinoid is actinoids.

Words near actinoid in the dictionary

  1. actinographs
  2. actinography
  3. actinohematin
  4. actinohivin
  5. actinohodin
  6. actinoid
  7. actinoids
  8. actinolepid
  9. actinolepids
  10. actinoleukin
  11. actinolichen

Source and license

Adapted from Wiktionary: actinoid (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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