- an act or instance of subtracting.
- Mathematics. the operation or process of finding the difference between two numbers or quantities, denoted by a minus sign (−).
Origin of subtraction
Examples from the Web for subtraction
In its report, the Commerce Department breaks down sectors by their contribution to—and subtraction from—the GDP figure.Why the GDP Drop is No Big Deal
January 30, 2013
But the family-party was soon to be broken up—not by subtraction, but by addition.Weighed and Wanting
But the addition or subtraction disclosed a deficit and he exclaimed at it.The Paliser case
Now it appears to me that a little child, with the simple rules of addition and subtraction, could have refuted this man.
It will be seen that the latter method is by addition, the former by subtraction.The Maya Chronicles
The Indian is no fool, although he can't do addition and subtraction.
- the act or process of subtracting
- a mathematical operation in which the difference between two numbers or quantities is calculated. Usually indicated by the symbol (–)
Word Origin and History for subtraction
c.1400, "withdrawal, removal," from Late Latin subtractionem (nominative subtractio) "a drawing back, taking away," from past participle stem of Latin subtrahere "take away, draw off," from sub "from under" (see sub-) + trahere "to pull, draw" (see tract (n.1)). The mathematical sense is attested from early 15c.
Þou most know þat subtraccion is drawynge of one nowmber oute of anoþer nomber. ["The Crafte of Nombrynge," c.1425]
- The operation of finding the difference between two numbers or quantities.