magnitude (noun)

the property of relative size or extent (whether large or small)

"they tried to predict the magnitude of the explosion"; "about the magnitude of a small pea"

order of magnitude, magnitude (noun)

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

magnitude (noun)

relative importance

"a problem of the first magnitude"

magnitude (Noun)

The absolute or relative size, extent or importance of something.

magnitude (Noun)

A number, assigned to something, such that it may be compared to others numerically

magnitude (Noun)

Of a vector, the norm, most commonly, the two-norm.

magnitude (Noun)

The apparent brightness of a star (on a negative, logarithmic scale); apparent magnitude

magnitude (Noun)

A measure of the energy released by an earthquake (e.g. on the Richter scale).

Magnitude

In mathematics, magnitude is the size of a mathematical object, a property by which the object can be compared as larger or smaller than other objects of the same kind. More formally, an object's magnitude is an ordering of the class of objects to which it belongs.