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Subtraction   /səbtrˈækʃən/   Listen
Subtraction

noun
1.
An arithmetic operation in which the difference between two numbers is calculated.  Synonym: minus.  "Four minus three equals one"
2.
The act of subtracting (removing a part from the whole).  Synonym: deduction.






WordNet 3.0 © 2010 Princeton University








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"Subtraction" Quotes from Famous Books



... sums—Addition, Multiplication, Division, and Subtraction;" and the learned ironmonger pointed to a pile of some hundreds of ...
— The Crown of Success • Charlotte Maria Tucker

... of the book comes from his failure, or rather his constitutional inability, to see other people whole. After all, our appreciations for other people are of the nature of a sum. There is a certain amount of addition and subtraction to be done; the point is whether the sum total is to the credit of the person concerned. But with Mark Pattison the process of subtraction was more congenial than the process of addition. He saw and felt the weakness of those who surrounded him so keenly that he did not do justice ...
— The Upton Letters • Arthur Christopher Benson

... duration of the life of love with a man and with a woman is fifteen years. This period is equal to three-fourths of the time during which the infidelities of the woman can bring unhappiness to her husband. Nevertheless, the remainder in our subtraction from the sum of men only differs by a sixth or so from that which results in our subtraction from ...
— The Physiology of Marriage, Part I. • Honore de Balzac

... support the washed and partly dry filter, which is laid on the mouth of the glass as if it were in the funnel. The fatty acids soon pass through the paper, and for the most part flow ultimately to the bottom of the beaker glass; the increase of weight of which, after cooling, and the subtraction of the weight of the filter, gives the quantity of fatty acids present in the soap. A second drying and weighing is not necessary, if on the cold sides of the interior of the glass no damp is to be observed, which is occasioned by a ...
— The Art of Perfumery - And Methods of Obtaining the Odors of Plants • G. W. Septimus Piesse

... progress in the study of arithmetic. She readily explains the processes of multiplication, addition, subtraction, and division, and seems to understand the operations. She has nearly finished Colburn's mental arithmetic, her last work being in improper fractions. She has also done some good work in written arithmetic. Her mind works so rapidly, that it often happens, that ...
— Story of My Life • Helen Keller


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