Bob Blum Neuro Psych AI Nov 2021Preview
Open in TheBrain

Calculus Etymology

    <p class=default>
      
        <u>calcium </index.php?term=calcium></u>
      
      
         
      
      
        <u> <http://dictionary.reference.com/search?q=calcium> 
        <http://dictionary.reference.com/search?q=calcium></u>
      
      
        
      
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        coined 1808 by Sir Humphry Davy from L. calx (gen. calcis) "limestone." 
      
      
        <u>calculation </index.php?term=calculation></u>
      
      
         
      
      
        <u> <http://dictionary.reference.com/search?q=calculation> 
        <http://dictionary.reference.com/search?q=calculation></u>
      
      
        1393, from L.L. calculationem, from calculare, from L. calculus "reckoning, account," 
        originally "pebble used in counting," dim. of calx (gen. calcis) "limestone." Calculating 
        "shrewd, selfish" is from 1809. Calculator "adding machine" is from 1784; application to 
        the electronic form is from 1946. 
      
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        <u>calculus </index.php?term=calculus></u>
      
      
         
      
      
        <u> <http://dictionary.reference.com/search?q=calculus> 
        <http://dictionary.reference.com/search?q=calculus></u>
      
      
        
      
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        1666, from L. calculus "reckoning, account," originally "pebble used in counting," dim. of 
        calx (gen. calcis) "limestone." Modern mathematical sense is a shortening of differential 
        calculus. Also used from 1732 to mean "concretion occurring accidentally in the animal 
        body," as dental plaque, kidney stones, etc
      
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