[see -IST.] One who uses or is skilled in mathematical fluxions.
1734. Berkeley, Analyst, 88. Qu. 43. Whether an Algebraist, Fluxionist, Geometrician, or Demonstrator of any kind can expect indulgence for obscure Principles or incorrect Reasonings?
1816. trans. Lacroixs Diff. & Int. Calc., 61920. The best argument of its utter insufficiency in most cases of this nature, is derived from the practices of fluxionists themselves, who usually denote the operation by a verbal statement, or by prefixing some abbreviation of the word fluxion.