Lasting for only a moment. / Happening at every moment; perpetual. / Ephemeral or relatively short-lived.

Spontaneous; impromptu.

(idiomatic) Impulse; short notice; a lack of planning.

The vector product of the charge on either pole of a dipole and the distance separating them.

A surname.

Outstanding in importance, of great consequence.

Misspelling of memento.

(idiomatic) A deciding instant; the time when a test determines or makes it apparent whether something will succeed.

plural of moment

Third-person singular simple present indicative form of moment