The meaning of MAGNITUDE is great size or extent. How to use magnitude in a sentence.

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

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 compressive stresses …

Limiting magnitude, the faintest apparent magnitude of a celestial body that is detectable or detected by a given instrument.

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).

In math, magnitude compares numbers by powers of 10. If your weekly allowance was $10, but your brother's was $100, his allowance would be one order of magnitude higher than yours.

The term magnitude is defined as “how much of a quantity”. For instance, the magnitude can be used for explaining the comparison between the speeds of a car and a bicycle.

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

Oct 10, 2025 · magnitude (countable and uncountable, plural magnitudes) (uncountable, countable) The absolute or relative size, extent or importance of something. quotations

[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 underestimate the …