moment

(mōˈmənt)

1. A brief, indefinite interval of time.
2. A specific point in time, especially the present time: He is not here at the moment.
3. A particular period of importance, influence, or significance in a series of events or developments: a great moment in history; waiting for her big moment.
4. Outstanding significance or value; importance: a discovery of great moment.
5. A brief period of time that is characterized by a quality, such as excellence, suitability, or distinction: a lackluster performance that nevertheless had its moments.
6. Philosophy
   a. An essential or constituent element, as of a complex idea.
   b. A phase or an aspect of a logically developing process.
7. Abbr. M Physics
   a. The product of a quantity and its perpendicular distance from a reference point.
   b. The tendency to cause rotation about a point or an axis.
8. Statistics The expected value of a positive integral power of a random variable. The first moment is the mean of the distribution.