magnitude

mag-ni-tude · noun

imported

Definitions

noun

  1. 1.

    The great size or extent of something.

  2. 2.

    [astronomy]A measure of the brightness of a star.

  3. 3.

    [seismology]A measure of earthquake strength.

  4. 4.

    [mathematics]The size of a mathematical object.

Forms

plural: magnitudes

Phrases & expressions

  • •
    order of magnitude — A class defined by a power of ten.

Related words

See also: extent, scale, size
Synonyms: extent, scale, size

Etymology

From Latin magnitudo ("greatness"), from magnus ("great").