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# The BFD Word of the Day
- URL: https://goodoil.news/the-bfd-word-of-the-day-740/
- Published: 2022-02-07T17:15:00.000Z
- Updated: 2021-12-13T17:49:23.000Z
- Author: David Theobald
- Tags: General, #wp, #wp-post, #Import 2024-07-17 01:12

The word for today is…

calculus (noun):

1a : a method of computation or calculation in a special notation (as of logic or symbolic logic)  
b : the mathematical methods comprising differential and integral calculus  
2 : calculation  
3a : a concretion usually of mineral salts around organic material found especially in hollow organs or ducts  
b : tartar on teeth

Source : [Merriam -Webster](https://www.merriam-webster.com/dictionary/calculus?ref=goodoil.news)

Etymology : In Latin calculus meant “pebble.” Because the Romans used pebbles to do addition and subtraction on a counting board, the word became associated with computation. Other English derivatives include calculator and calculation. Calculus itself has been borrowed into English as a medical term that refers to masses of matter in the body such as kidney stones (a straightforward extension of the meaning “pebble”) and to refer to a system of mathematical computation.

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