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Definition of octa- combining form from the Oxford Advanced Learner's Dictionary

octa-

combining form
 
/ɒktə/,
 
/ɒkˈtæ/
 
/ɑːktə/,
 
/ɑːkˈtæ/
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  1. (in nouns and adjectives) eight; having eight
    • octagon
    • octagonal
    Word Originfrom Greek oktō ‘eight’.
Check pronunciation: octa-

Nearby words

trait
noun
 
 
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