oct-

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variant of octa- or octo- before a vowel: octal.

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CAN YOU ANSWER THESE COMMON GRAMMAR DEBATES?

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Question 1 of 7

Which sentence is correct?

His boss, whom he admires, is waiting to meet with him about the big project.

His boss, who he admires, is waiting to meet with him about the big project.

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Other definitions for oct- (2 of 3)

oct.

abbreviation

octavo.

Other definitions for oct- (3 of 3)

Oct.

abbreviation

October.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use oct- in a sentence

He may have been relieved to head for Westminster as a Member of Parliament on Oct. 1, 1386.
A Year In The Life of The Canterbury Tales’ Storied Beginnings|Wendy Smith|December 25, 2014|DAILY BEAST
CJ Grisham, president of Open Carry Texas (OCT), was more forthcoming.
Open-Carry Militia Mom ‘Murders’ Family|Brandy Zadrozny|December 16, 2014|DAILY BEAST
On Oct. 7, I bought my ticket to Kiev 45 minutes before my flight.
Russians Plot Exiled Government in Kiev|Anna Nemtsova|December 16, 2014|DAILY BEAST
In an Oct. 31 poll from Washington, 12 percent of women claimed they were undecided about Initiative 502.
Women Are Leading the Way for Legalized Weed|Abby Haglage|December 4, 2014|DAILY BEAST

She and her family arrived in Lebanon on Oct. 17, 2012, at 1:34 p.m.—she marked it in her diary.
Drawing on the Memories of Syrian Women|Masha Hamilton|November 26, 2014|DAILY BEAST
She had been taken up in Oct. 1556, for non-attendance, and released upon a strong injunction to mind her conduct.
Fox's Book of Martyrs|John Foxe
By way of England we have dates from Montevideo to the 12th Oct.
The International Monthly Magazine, Volume 5, No. 1, January, 1852|Various
They remained at Balmoral till the 10th Oct., on the morning of which day they departed for the South.
Harper's New Monthly Magazine, No. VII, December 1850, Vol. II|Various
When the matter was brought into the Chamber (Oct. 13, 1902,) protests went up eloquently from a number of indignant deputies.
The War Upon Religion|Rev. Francis A. Cunningham
Convention of Oct. 11, 1909, regarding the international circulation of motor cars.
Harper's Pictorial Library of the World War, Volume XII|Various

British Dictionary definitions for oct- (1 of 2)

Oct

abbreviation for

October

British Dictionary definitions for oct- (2 of 2)

oct-

combining form

(used before a vowel) 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