sub traction
ʃən noun
1.
an act or instance of subtracting.
2.
Mathematics. the operation or process of finding the difference between two numbers or quantities, denoted by a minus sign (−).
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
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Link To sub traction
Collins
World English Dictionary
subtraction (səbˈtrækʃən) ![[Click for IPA pronunciation guide]](http://static.sfdict.com/dictstatic/g/d/dictionary_questionbutton_default.gif) | |
| —n | |
| 1. | the act or process of subtracting |
| 2. | a mathematical operation in which the difference between two numbers or quantities is calculated. Usually indicated by the symbol (--) |
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
00:10
Sub traction
is always a great word to know.
So is ort. Does it mean:
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| a scrap or morsel of food left at a meal. |
Etymonline
Word Origin & History
subtraction
c.1400, "withdrawal, removal," from L.L. subtractionem (nom. subtractio) "a drawing back, taking away," from L. subtractus, pp. of subtrahere "take away, draw off," from sub "from under" + trahere "to pull, draw" (see tract (1)). The mathematical sense is attested from early
15c. The verb subtract is first recorded c.1540.
"Þou most know þat subtraccion is drawynge of one nowmber oute of anoþer nomber." ["The Crafte of Nombrynge," c.1425]
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
subtraction  (səb-trāk'shən) Pronunciation Key
The operation of finding the difference between two numbers or quantities. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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