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The Nuttall Encyclopedia
A method, invented by Sir Isaac Newton, of determining the rate of increase or decrease of a quantity or magnitude whose value depends on that of another which itself varies in value at a uniform and given rate. See Calculus, Differential, and Integral .
Wood, James, ed. Entry for 'Fluxions'. The Nuttall Encyclopedia. https://www.studylight.org/encyclopedias/eng/nut/f/fluxions.html. Frederick Warne & Co Ltd. London. 1900.
the Week of Proper 22 / Ordinary 27