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How to pronounce actinoid in English?

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actinoid::noun | Spocien Dictionary

actinoid

noun

/'æktə,nɔɪd/

any of a series of radioactive elements with atomic numbers 89 through 103

Type	Words
Synonyms	actinide, actinon
Type of	group, grouping

actinoid

adjective

/'æktə,nɔɪd/

having a radial form

Type	Words

starfish are actinoid--that is, they are radially symmetrical.