Magnitude

n. size, extent, dimensions; importance; significance; brightness of a celestial body (Astronomy)

Magnitude may refer to:Magnitude (mathematics), a measure of the size of a mathematical object:A vector object has both magnitude and direction as its defining characteristics.A scalar object has only magnitude as its defining characteristic. In astronomy:A logarithmic measure of the brightness of an astronomical object:Ancient magnitude systemModern magnitude systemApparent magnitudeApparent Photographic magnitude (Symbol mpg)Apparent Photovisual magnitude (Symbol mpv)Apparent Bolometric magnitude (Symbol mb)Absolute magnitudeAbsolute Photographic magnitude (Symbol Mpg)Absolute Photovisual magnitude (Symbol Mpv)Absolute Bolometric magnitude (Symbol Mb)Magnitude of an eclipse In seismology:Either of two measures of earthquake strength:Richter magnitude scale (including the surface-wave Ms and body wave Mb magnitudes)Moment magnitude scale
See more at Wikipedia.org...

Noun
1. the property of relative size or extent; "they tried to predict the magnitude of the explosion"
(hypernym) property
(hyponym) absolute magnitude
(attribute) measurable, mensurable
(derivation) blow up, enlarge, magnify
2. a number assigned to the ratio of two quantities; two quantities are of the same order of magnitude if one is less than 10 times as large as the other; the number of magnitudes that the quantities differ is specified to within a power of 10
(synonym) order of magnitude
(hypernym) ratio
3. relative importance; "a problem of the first magnitude"
(hypernym) importance
(derivation) magnify, amplify

n. magnitude, size, dimensions, importance

n. magnitude, mass