English Dictionary |
ACTINOID
Pronunciation (US): | (GB): |
Dictionary entry overview: What does actinoid mean?
• ACTINOID (noun)
The noun ACTINOID has 1 sense:
1. any of a series of radioactive elements with atomic numbers 89 through 103
Familiarity information: ACTINOID used as a noun is very rare.
• ACTINOID (adjective)
The adjective ACTINOID has 1 sense:
Familiarity information: ACTINOID used as an adjective is very rare.
Dictionary entry details
Sense 1
Meaning:
Any of a series of radioactive elements with atomic numbers 89 through 103
Classified under:
Nouns denoting substances
Synonyms:
Hypernyms ("actinoid" is a kind of...):
group; grouping (any number of entities (members) considered as a unit)
Sense 1
Meaning:
Having a radial form
Context example:
starfish are actinoid--that is, they are radially symmetrical
Similar:
actinomorphic; actinomorphous (capable of division into symmetrical halves by any longitudinal plane passing through the axis)
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