fixed point
noun
physics a reproducible invariant temperature; the boiling point, freezing point, or triple point of a substance, such as water, that is used to calibrate a thermometer or define a temperature scale
maths a point that is not moved by a given transformation
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on point
Read more in this article about some frequently asked questions and fun facts related to our definitions.
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Moot Point vs. Mute Point
You may have heard coworkers or acquaintances refer to an inconsequential or irrelevant point as a moot point, or maybe you’ve heard mute point instead. Fans of the TV show Friends may have heard a third variation: moo point (because, according to Joey, a cow’s opinion doesn’t matter). But which expression is correct, and what exactly does it mean? The correct phrase is moot point. …
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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