A Moment

1. A brief, unspecified amount of time. Synonyms: **stound, instant, trice
2. The smallest portion of time; an instant.
3. (figurative) Weight or importance.
4. (physics, mechanics) The turning effect of a force applied to a rotational system at a distance from the axis of rotation.Synonym: **moment of force
5. (historical, unit) A definite period of time, specifically one-tenth of a point, or one-fortieth or one-fiftieth of an hour.
6. (neurology, informal) A petit mal episode; such a spell.
7. (colloquial) A fit; a brief tantrum.
8. (mathematics) An infinitesimal change in a varying quantity; an increment or decrement.
9. (mathematics) A quantitative measure of the shape of a set of points.