Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. algebra

from the GNU version of the Collaborative International Dictionary of English

  • n. an old name for Algebra. [It. regola di cosa rule of thing, the unknown quantity being called the cosa, or the thing.]

Etymologies

Italian cosa thing, i.e. the thing to be determined. (Wiktionary)

Examples

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