oct-

¹ American  

1. variant of octa- or octo- before a vowel.

   octal.

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oct. ² American  

abbreviation

1. octavo.

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Oct. ³ American  

abbreviation

1. October.

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Oct ¹ British  

abbreviation

1. October

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oct- ² British  

combining form

1. (used before a vowel) a variant of octo-

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Usage

What does oct- mean? Oct- is a combining form used like a prefix meaning “eight.” It is used in a great many scientific and technical terms.Octo- comes from the Greek oktṓ, meaning “eight.” The Latin equivalent, which is almost identical in spelling and pronunciation, is octō.What are variants of oct-?Oct- is a variant of octa- or octo-, which loses its -a- or -o- when combined with words or word elements beginning with vowels.Want to know more? Check out our Words That Use entries for both octa- and octo-.

Example Sentences

The Times report about crews being ordered to leave the earlier fire, published Oct.

From Los Angeles Times

Gladys Mae Brown, the second of four children, was born Oct.

From The Wall Street Journal

Victory said the value represents a 37% premium to Janus Henderson’s unaffected share price as of Oct.

From The Wall Street Journal

Metallica has set its debut “Life Burns Faster” residency at the mind-bending audio-visual monolith for Oct.

From Los Angeles Times

That has started to turn around, executives say, with revenue for the three months ended Oct.

From The Wall Street Journal