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

Definition of magnitude noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

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 …

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).

Values are measured by eye (visual magnitude) or more accurately by photometric or photographic methods, and range from –26.7 (the sun), through 1.5 (Sirius), down to about +30.

Dec 24, 2025 · magnitude (countable and uncountable, plural magnitudes) (uncountable, countable) The absolute or relative size, extent or importance of something. quotations

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

Apparent magnitude (m) is a measure of the brightness of a star, astronomical object or other celestial objects like artificial satellites. Its value depends on its intrinsic luminosity, its …

Definition of magnitude. English dictionary and integrated thesaurus for learners, writers, teachers, and students with advanced, intermediate, and beginner levels.

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