[al-guh-riz-uh m]
noun Mathematics Now Rare.
  1. the Arabic system of arithmetical notation (with the figures 1, 2, 3, etc.).
  2. the art of computation with the Arabic figures, one to nine, plus the zero; arithmetic.
  3. algorithm.

Origin of algorism

1200–1250; < Medieval Latin algorismus < Arabic al the + kh(u)wārizmī (surname of a 9th-century Muslim mathematician), equivalent to khwārizm Khiva + suffix of appurtenance; replacing Middle English augrim, algrim < Middle French < Medieval Latin
Related formsal·go·ris·mic, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for algorism

Historical Examples of algorism

British Dictionary definitions for algorism


  1. the Arabic or decimal system of counting
  2. the skill of computation using any system of numerals
  3. another name for algorithm
Derived Formsalgorismic, adjective

Word Origin for algorism

C13: from Old French algorisme, from Medieval Latin algorismus, from Arabic al-khuwārizmi, from the name of abu-Ja`far Mohammed ibn-Mūsa al-Khuwārizmi, ninth-century Persian mathematician
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012