What does the word subtraction mean?

Usage examples for subtraction

  1. He made the subtraction and studied the two tens. – The Last Shot by Frederick Palmer
  2. He quoted a verse of The Shropshire Lad, of which he was very fond: 'Now, of my threescore years and ten, Twenty will not come again, And take from seventy springs a score, It only leaves me fifty more'; adding, That's the only instance I know of a subtraction sum made into perfect poetry- but it's the other way round, worse luck! – Father Payne by Arthur Christopher Benson
  3. Thus a fat man is builded by great addition, and if desired can be reduced by much subtraction, which is simply a rule of numbers. – Philosophy of Osteopathy by Andrew T. Still
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