Definition of J:

• is the tenth letter of the English alphabet. It is a later variant form of the Roman letter I, used to express a consonantal sound, that is, originally, the sound of English y in yet.
• Tenth letter of the alphabet.
• Is a consonant, and has uniformly the sound of the softened g, as in genuine.
• J is the tenth letter of the English alphabet. It is a later variant form of the Roman letter I, used to express a consonantal sound, that is, originally, the sound of English y in yet. The forms J and I have, until a recent time, been classed together, and they have been used interchangeably.
• a unit of electrical energy equal to the work done when a current of one ampere passes through a resistance of one ohm for one second
• The tenth letter in the English alphabet.

Usage examples for J

1. J. D. Cameron ........  A History of the Republican Party by George Washington Platt

2. J. P. Explosive Materials.  Seasoning of Wood by Joseph B. Wagner

3. Towards five Mr. J. passed again.  Strange True Stories of Louisiana by George Washington Cable

4. Lord J. You had something to say to me, sir?  The Parent's Assistant by Maria Edgeworth