I. ˈjā noun
( plural j's or js ˈjāz)
Usage: often capitalized, often attributive
1.
a. : the 10th letter of the English alphabet
b. : an instance of this letter printed, written, or otherwise represented
c. : a speech counterpart of orthographic j (as j in jump, ajar, German ja, Spanish jefe )
2.
a. : a printer's type, a stamp, or some other instrument for reproducing the letter j
b. : one — see number table
c. : a unit vector parallel to the y-axis
3. : someone or something arbitrarily or conveniently designated j especially as the 10th in order or class
4. : something having the shape of the letter J
II. abbreviation
Usage: often capitalized
1. jack
2. January
3. join
4. joule
5. journal; journalism
6.
[Latin judex ]
judge
7. July
8. June
9. junior
10.
[Latin jus ]
law
11. justice
12. juvenile
III. symbol
Usage: capitalized
1. Yahwistic or Judean — used in biblical criticism to designate Yahwistic material especially from an ancient epic constituting the earliest and a main source of the Hexateuch
the J passages in the creation story
the J text
— compare d , e , p
2. ital mechanical equivalent of heat
3. ital radiant intensity