Definitions of j in English
symbol
(1) (in electrical engineering and electronics) the imaginary quantity equal to the square root of minus one.
noun
(1) The tenth letter of the alphabet.
(2) A shape like that of a capital J.
(3) Used instead of I as the Roman numeral for one in final position.
abbreviation
(1) Jack (used in describing play in card games).
synonyms of j
joule
