mo·ment(mō'mənt)PronunciationKey

　　n.

　　Abrief,indefiniteintervaloftime.

　　Aspecificpointintime,especiallythepresenttime:Heisnothereatthemoment.

　　Aparticularperiodofimportance,influence,orsignificanceinaseriesofeventsordevelopments:agreatmomentinhistory;waitingforherbigmoment.

　　Outstandingsignificanceorvalue;importance:adiscoveryofgreatmoment.

　　Abriefperiodoftimethatischaracterizedbyaquality,suchasexcellence,suitability,ordistinction:alacklusterperformancethatneverthelesshaditsmoments.

　　Philosophy

　　Anessentialorconstituentelement,asofacomplexidea.

　　Aphaseoranaspectofalogicallydevelopingprocess.

　　Theproductofaquantityanditsperpendiculardistancefromareferencepoint.

　　Thetendencytocauserotationaboutapointoranaxis.

　　Abbr.MPhysics

　　Theproductofaquantityanditsperpendiculardistancefromareferencepoint.

　　Thetendencytocauserotationaboutapointoranaxis.

　　StatisticsTheexpectedvalueofapositiveintegralpowerofarandomvariable.Thefirstmomentisthemeanofthedistribution.

　　上海灵格风英语