sig

Etymology
.


 * 1)  The inevitable progression into the future with the passing of present and past events.
 * 2)  A dimension of spacetime with the opposite metric signature to space dimensions; the fourth dimension.
 * 3)  Change associated with the second law of thermodynamics; the physical and psychological result of increasing entropy.
 * 4)  A quantity of availability of duration.
 * 1)  A quantity of availability of duration.

Related terms

 * tig

Derived terms

 * sigisk