Dictionary.com
Thesaurus.com
Jump To:
  • 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 ).


octa 1 British  
/ ˈɒktə /

noun

  1. a variant spelling of okta

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

octa- 2 British  

combining form

  1. a variant of octo-

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of octa-

< Greek okta-, combining form of oktṓ eight

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The emergency declaration allows the OCTA, which owns that section of the rail line, to access up to $10 million in immediate emergency repair funding.

From Los Angeles Times • Feb. 2, 2024

“We told them we needed time to review it, and come back on Friday to talk to us,” said Joel Zlotnik, spokesperson for the OCTA.

From Los Angeles Times • Nov. 3, 2022

Voters kicked in $172.8 million as part of Measure M, a half-cent sales tax for transportation improvements, and the state provided $25.5 million, according to OCTA.

From Los Angeles Times • Jul. 7, 2021

In Orange County, toll lanes on the 91 Freeway save commuters using those lanes up to 30 minutes of travel time per day, according to OCTA.

From Los Angeles Times • Dec. 20, 2019

“This is an important milestone that puts us one step closer to breaking ground on the O.C. Streetcar,” said county Supervisor Lisa Bartlett, who chairs the OCTA.

From Los Angeles Times • Sep. 27, 2018

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "octa-" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com