<p><strong>Noun</strong></p><ul><li>An indefinitely short period of time; instant: I'll be with you in a moment.</li><li>Synonyms: twinkling, flash, trice, jiffy, second.</li><li>Usually the moment: the present time or any other particular time: He is busy at the moment.</li><li>A definite period or stage, as in a course of events; juncture: at this moment in history.</li><li>Importance or consequence: a decision of great moment.</li><li>Synonyms: momentousness, magnitude, weight, significance.</li><li>A particular time or period of success, excellence, fame, etc.: His big moment came in the final game.</li><li>Statistics: the mean or expected value of the product formed by multiplying together a set of one or more variates or variables each to a specified power.</li><li>Philosophy: an aspect of a thing.</li><li>Obsolete: an essential or constituent factor.</li><li>Mechanics: a tendency to produce motion, especially about an axis.</li><li>The product of a physical quantity and its directed distance from an axis: moment of area; moment of mass.</li></ul>