An "overdot" is a raiseddot appearing above a symbol most commonly used in mathematics to indicate aderivative taken with respect to time (e.g.,). The expression is voiced " dot," and was Newton's notation for derivatives (which he called "fluxions").

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Cite this as:

Weisstein, Eric W. "Overdot." FromMathWorld--A Wolfram Resource.https://mathworld.wolfram.com/Overdot.html

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