Synonyms
Antonyms
Etymology

1. actinide

noun. ['ˈæktɪˌnaɪd'] any of a series of radioactive elements with atomic numbers 89 through 103.

Synonyms

  • grouping
  • actinon
  • actinoid

Antonyms

  • zygomorphic

Etymology

  • -ide (English)
  • actin- (English)

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Rhymes with Actinide

  • arsenide
  • cyanide
  • cyanide

Sentences with actinide


1. Noun, singular or mass
Americium, another actinide element, is slightly denser than mercury at 13.84 grams per cubic centimeter.

2. Adverb
The lanthanide and actinide make up the f-orbitals.

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