fluxion

Etymology
From, from , from +.

Noun

 * 1)  The derivative of a function.
 * 2)  The action of flowing.
 * 3) * 1907,, The Longest Journey, Part III, XXXIII [Uniform ed., p. 299]:
 * Perhaps he meant that towns are after all excrescences, grey fluxions, where men, hurrying to find one another, have lost themselves.
 * 1)  A difference or variation.

Verb

 * 1)  To be distributed in a flowing pattern.