Word Type

Noun

The word "actinide" can be used as a noun.

Word Relationships

Derived Terms

actinidic nonactinide organoactinide radioactinide superactinide transactinide

Derived From

actinium

Context

inorganic chemistry

Broader Terms (Hypernyms)

group grouping

Related Terms

actinium americium berkelium californium curium einsteinium fermium lawrencium mendelevium neptunium nobelium plutonium protactinium thorium uranium

Related Terms

americium berkelium californium chemistry curium einsteinium elements fermium lanthanide lawrencium mendelevium neptunium nobelium periodic table plutonium position protactinium radioactive thorium uranium

Synonym Network

actinoid

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.