actinoid

Plural: actinoids

Noun

• Any of the actinide series of elements.
• any of a series of radioactive elements with atomic numbers 89 through 103
• actinide

Adjective Satellite

• having a radial form
  • "starfish are actinoid--that is, they are radially symmetrical"

Adj

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

Examples

• He followed up ACTINIDE with ACTINOID, showing his mastery of the periodic table.

Synonyms

actinide, actinon

Anagrams of actinoid