There are 3 definitions of j in English:

j1

Syllabification: j

symbol

(j)
(In electrical engineering and electronics) the imaginary quantity equal to the square root of minus one. Compare with i.

Definition of j in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day neoteny
Pronunciation: niːˈɒt(ə)ni
noun
retention of juvenile features in the adult animal

There are 3 definitions of j in English:

J2

Syllabification: J
(also j)

noun (plural Js or J's /jāz/)

1The tenth letter of the alphabet.
1.1Denoting the next after I (or H if I is omitted) in a set of items, categories, etc.
2 (J) A shape like that of a capital J.
3 archaic Used instead of I as the Roman numeral for one in final position: between ij and iij of the clock

Definition of j in:

There are 3 definitions of j in English:

J3

Syllabification: J

abbreviation

1Jack (used in describing play in card games).
1.1 Physics Joule(s).
1.2(In titles) Journal (of): J. Biol. Chem
1.3Judge.
1.4Justice.

Definition of j in: