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• octa-
  octa-

  a combining form occurring in loanwords from Greek and Latin, where it meant “eight” (octagon; octastyle ), on this model, used in the formation of compound words, and in chemical terms specialized to mean “having eight atoms” (octavalent ).
• octa
  octa

  noun

  a variant spelling of okta

octa-

American  

1. a combining form occurring in loanwords from Greek and Latin, where it meant “eight” (octagon; octastyle ), on this model, used in the formation of compound words, and in chemical terms specialized to mean “having eight atoms” (octavalent ).

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octa ¹ British  

/ ˈɒktə /

noun

1. a variant spelling of okta

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octa- ² British  

combining form

1. a variant of octo-

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Etymology

Origin of octa-

< Greek okta-, combining form of oktṓ eight

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Example Sentences

See Examples For:

octa

Two PBDEs, penta and octa, were pulled from the U.S. market in 2004.

From Washington Post ● Apr. 15, 2013

About a dozen states have banned two of the three types of PBDEs used in consumer goods, known as "octa" and "penta."

From Washington Post ● Feb. 25, 2011

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