actinoid

[ak-tuh-noid]
|

adjective

raylike; radiate.

Nearby words

  1. actinochemistry,
  2. actinodermatitis,
  3. actinodrome,
  4. actinogram,
  5. actinograph,
  6. actinolite,
  7. actinology,
  8. actinomadura,
  9. actinomere,
  10. actinometer

Origin of actinoid

First recorded in 1840–50; actin- + -oid

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for actinoid



British Dictionary definitions for actinoid

actinoid

adjective

having a radiate form, as a sea anemone or starfish
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012