Mathematics. a unit vector on the y-axis of a coordinate system.
Engineering. the imaginary number .
Other definitions for J (2 of 5)
the tenth letter of the English alphabet, a consonant.
any spoken sound represented by the letter J or j, as in just, major, or rajah.
something having the shape of a J.
a written or printed representation of the letter J or j.
a device, as a printer's type, for reproducing the letter J or j.
Other definitions for J (4 of 5)
the tenth in order or in a series.
(sometimes lowercase) the medieval Roman numeral for 1.: Compare Roman numerals.
Other definitions for J. (5 of 5)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use j in a sentence
I meet Otis j. the night he arrives at “The Castle,” a West Harlem halfway house for newly-released convicts.His First Day Out Of Jail After 40 Years: Adjusting To Life Outside | Justin Rohrlich | January 3, 2015 | THE DAILY BEAST
j Crew did not give back the money it incidentally made off of Mrs. Obama.One Vogue Cover Doesn’t Solve Fashion’s Big Race Problem | Danielle Belton | January 2, 2015 | THE DAILY BEAST
We live in a world where a j. Edgar Hoover biopic got made before a Martin Luther King Jr. one.Ava DuVernay on ‘Selma,’ the Racist Sony Emails, and Making Golden Globes History | Marlow Stern | December 15, 2014 | THE DAILY BEAST
READ MORE: Shocking New Reveals From Sony Hack: j. Law, Pitt, Clooney, and Star Wars Which brings us to the inimitable Kanye West.Exclusive: Sony Emails Reveal Destiny’s Child and Kanye West Movies, and Spidey Cameo in Capt. 3 | William Boot | December 14, 2014 | THE DAILY BEAST
She said Wright, whom the girl refers to as the shorthand “j,” also sensed that the heat was on.
I was an Innkeeper, who loved to carouse; j was a Joiner, and built up a house.
Mais ce n'est pas de merveille; car, comme j'ay dict, ils sont enfans.
Neantmoins le vieil Membertou, pere du malade, conceut asss l'affaire, et me promit qu'on s'arresteroit tout ce que j'en dirois.
Ce fut lors que nos gens se penserent estre veritablement prins, et j tout n'estoit que clameur et tumulte.
On dit neantmoins que les Armouchiquois se craignirent de tels voysins, et cette cause firent mourir ce capitaine que j'ay dit.
British Dictionary definitions for j (1 of 3)
maths the unit vector along the y -axis
Also called: i obsolete the imaginary number √–1
British Dictionary definitions for j (2 of 3)
the tenth letter and seventh consonant of the modern English alphabet
a speech sound represented by this letter, in English usually a voiced palato-alveolar affricate, as in jam
British Dictionary definitions for J (3 of 3)
Japan (international car registration)
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
Scientific definitions for J
Abbreviation of joule
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.