J, j: Meaning and Definition of


Pronunciation: ( jā), [key]
— pl. J's Js, j's js.
  1. the tenth letter of the English alphabet, a consonant.
  2. any spoken sound represented by the letter J or j, as in just, major, or rajah.
  3. something having the shape of a
  4. a written or printed representation of the letter J or j.
  5. a device, as a printer's type, for reproducing the letter J or j.


Pronunciation: [key]
  1. Jewish.
  2. joule; joules.


Pronunciation: [key]
— Symbol.
  1. the tenth in order or in a series, or, when I is omitted, the ninth.
  2. (sometimes l.c.) the medieval Roman numeral for 1. Cf. Roman numerals.


Pronunciation: [key]
— Symbol.
  1. a unit vector on the y-axis of a coordinate system.
  2. the imaginary number &minus1sqrootover;.


Pronunciation: [key]
  1. Jack.
  2. Journal.
  3. Judge.
  4. Justice.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.