Magnitude definition: size; extent; dimensions.. See examples of MAGNITUDE used in a sentence.

[uncountable] (formal) the great size or importance of something; the degree to which something is large or important. We did not realize the magnitude of the problem. They appear to …

Magnitude is also a measure of the brightness of a star as it appears from earth. The magnitude of an earthquake is a measure of how strong or violent it is. The magnitudes of the …

In mathematics, the magnitude or size of a mathematical object is a property which determines whether the object is larger or smaller than other objects of the same kind.

A star’s brightness measured as either absolute magnitude or apparent magnitude. The latter states brightness in the sky on a scale from -26.8 (the Sun, brightest) to +25 (the faintest).

Magnitude is used in stating the size or extent of something such as a star, earthquake, or explosion.

In Physics, magnitude is defined as the maximum extent of size and the direction of an object. Magnitude is used as a common factor in vector and scalar quantities.