actinoid

English dictionary entry

Meanings

noun
  1. actinide
adj
  1. Having the form of rays; radiated, as in the species of the family Actiniidae.

Pronunciation

ăk'tĭnoid /ˈæktɪnɔɪd/ LL-Q1860 (eng)-Vealhurl-actinoid.wav

Word forms

actinoid actinoids

Etymology

Etymology tree Ancient Greek ᾰ̓κτῑ́ς (ăktī́s)der. English actino- English actin- Ancient Greek -ο- (-o-)der. Latin -o- Proto-Indo-European *weyd- Proto-Indo-European *-os Proto-Indo-European *wéydos Proto-Hellenic *wéidos Ancient Greek εἶδος (eîdos) Proto-Indo-European *-os Proto-Indo-European *-ēs Ancient Greek -ης (-ēs) Ancient Greek -ειδής (-eidḗs) Latin -oīdēslbor. English -oid English actinoid From actin- + -oid.

Derived words

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