fluxion

From Middle French fluxion, from Late Latin fluxiō, from Latin flūxus + -iō.

• IPA^(key): /ˈflʌkʃən/
• Rhymes: -ʌkʃən

fluxion (countable and uncountable, plural fluxions)

1. (obsolete, mathematics) The derivative of a function.
2. (rare or archaic) The action of flowing.
   • 1907, E.M. Forster, 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.

3. (rare or archaic) A difference or variation.

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).

• fluxional

• IPA^(key): /flyk.sjɔ̃/

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fluxion m (plural fluxions)

1. This term needs a translation to English. Please help out and add a translation, then remove the text {{rfdef}}.

• fluxion de poitrine