English Explanatory Dictionary

timelike

English dictionary entry

Meanings

adj
  1. Of a four-vector in representing a point in spacetime, having a positive or negative four-vector norm for the metric signature (+, -, -, -) and (-, +, +, +) respectively.
  2. (of the interval between two events in spacetime) Having overlapping light cones, so that information can pass from one to the other, and one can be envisaged as a cause of the other.

Word forms

timelike more timelike most timelike time-like

Etymology

From time + -like.

Related words

lightlike spacelike

Derived words

closed timelike curve future directed timelike vector past directed timelike vector timelike component timelike congruence timelikeness timelike path timelike vector field
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