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EnglishEdit

EtymologyEdit

flux +‎ -ion

NounEdit

fluxion (countable and uncountable, plural fluxions)

  1. (obsolete, mathematics) The derivative of a function.
  2. (rare or archaic) The action of flowing.
  3. (rare or archaic) A difference or variation.

VerbEdit

fluxion (third-person singular simple present fluxions, present participle fluxioning, simple past and past participle fluxioned)

  1. (geology) To be distributed in a flowing pattern.
    • 1982, Charles James Hughes, Igneous petrology, →ISBN, page 142:
      ...pilotaxitic texture connotes abundant plagioclase microlites prominently fluxioned in an overall sub-parallel manner and locally around phenocrysts (but strictly in a holocrystalline non-glassy matrix).

Derived termsEdit