Noun | 1. | magnitude - the property of relative size or extent; "they tried to predict the magnitude of the explosion" |
2. | magnitude - 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 Synonyms: order of magnitude | |
3. | magnitude - relative importance; "a problem of the first magnitude" |