j

Definitions

General English

Construction

  • A symbol used to describe the event at the head of an activity arrow in a critical path method (CPM) schedule.

Electronics

  • (written as J)
    A mathematical unit equal to the square root of -1. That is, j2 = -1. It is used in complex numbers. j is usually used in electronics, while i is usually used in other fields.
  • (written as J)
    A high-level programming language especially suited for mathematical applications.
  • (written as J)
    symbol for current density, or electric current density.

Slang

  • noun a joint (a cigarette containing cannabis). An abbreviation from the jargon of drug users, dating from the mid-1960s.

Law

  • symbol forJustice
    (written as J)
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