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From Middle English algorisme, from Old French algorisme, from Medieval Latin algorismus. See algorithm.


algorism (countable and uncountable, plural algorisms)

  1. Obsolete spelling of algorithm (all senses)
    • 1921, Paul Klapper, The Teaching of Arithmetic: A Manual for Teachers, D. Appleton and Company, page 231:
      The Algorism in Addition of Fractions. — There are two accepted forms of work in addition of fractions...
    • 1948, Øystein Ore, Number Theory and Its History, page 20:
      The works of al-Khowarizmi were translated into Latin, and through a perversion of his name the art of computing with Hindu-Arabic numerals became known as algorism.