Definitions from Wiktionary ( )

▸ noun:  The measure of the size of something, especially its width or breadth; largeness, magnitude.
▸ noun:  (mathematics) The maximum absolute value of the vertical component of a curve or function, especially one that is periodic.
▸ noun:  (physics) The maximum absolute value of some quantity that varies.
▸ noun:  (astronomy) The arc of the horizon between the true east or west point and the center of the sun, or a star, at its rising or setting. At the rising, the amplitude is eastern or ortive: at the setting, it is western, occiduous, or occasive. It is also northern or southern, when north or south of the equator.
▸ noun:  (astronomy) The arc of the horizon between the true east or west point and the foot of the vertical circle passing through any star or object.
▸ noun:  (firearms) The horizontal line which measures the distance to which a projectile is thrown; the range.
▸ noun:  (gymnastics) The range of motion of the gymnast's body while performing a skill.
▸ noun:  (ecology) The range of environmental conditions in which an organism can survive.

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