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

Lagarde began her term as ECB president in 2019 and is set to remain in that post until her term ends officially in Oct.

From MarketWatch

The $52-a-share cash offer from Trian Fund Management and General Catalyst represents a 25% premium to Janus Henderson’s Oct.

From The Wall Street Journal

Trian and General Catalyst raised their consideration by $3 to $52 a share in cash, which represents a 25% premium to Janus Henderson’s closing price on Oct.

From The Wall Street Journal

First, by most standard measures, certainly before Oct.

From Los Angeles Times

Morgan Stanley analyst Erik Woodring wrote in a research note on Sunday night that an internal survey conducted during Sept. 25 through Oct.

From Barron's