subtraction Hear it!

subtraction Definition

sub·trac·tion (səb traks̸hən)

noun

a subtracting or being subtracted; esp., the mathematical process of finding the difference between two numbers or quantities

Etymology: ML subtractio < LL(Ec), a drawing back

subtraction Synonyms

subtraction

n.

subtraction Usage Examples

Preposition: of

  • integer: Carry out column addition and subtraction of two integers less than 1000, and column addition of more than two such integers.
  • number: The last table shows the similarities after subtraction of the smallest number found in the table.

Converse of object

  • perform: Program GRAB is used to perform the necessary subtraction of the maps in order to calculate the differences.
  • do: Recently I had an adult returned who was doing subtraction using 'borrow one pay one back ' .
  • use: Because of these problems it is often better to use image subtraction or image division for change detection.

Adjective modifier

  • dark: However, I believe that the dark frame subtraction does not like FITS files at the moment.
  • mental: We also did lots of mental subtraction and addition.
  • simple: He predicts which number you'll choose at the end of a simple subtraction.
  • good: These may need to be removed before a good background subtraction can be performed.

Modifies a noun

  • angiography: Digital subtraction angiography For cardiac imaging the contrast medium may be administered intra-arterially by selective catheterisation to provide subtracted images.
  • fact: Know by heart all addition and subtraction facts for each number to 20.
  • sum: Later you can use buns for simple addition and subtraction sums.
  • method: The effectiveness of the pulse artifact subtraction method is demonstrated in this image.
  • operation: The carry flag is always set to the value of the carry out of the byte after an addition or subtraction operation.
  • skill: Children will develop addition and subtraction skills through use of dominoes.

Noun used with modifier

  • post-edge: You only have to work on the post-edge subtraction.
  • background: We now have a suite of five background subtraction programs available!
  • sky: The sky subtraction aperture is assumed to the 5 times larger than the object aperture.
  • bias: The use of a variance component allows the effects of noise in bias subtraction to be properly monitored.
  • image: Thanks to features like image subtraction, two thermal images can have the temperature of each pixel subtracted from each other.
subtraction Quotes

A man has one hundred dollars and you leave him with two dollars, that's subtraction.

—West, Mae

Browse dictionary entries near subtraction

  1. subtract
  2. subtotal
  3. subtopic
  4. subtonic
  5. subtlety
  6. subtle
  7. subtitle
  8. subtilize
  9. subtile
  10. subtext
  1. subtractive
  2. subtrahend
  3. subtreasury
  4. subtropical
  5. subtropics
  6. subulate
  7. subumbrella
  8. suburb
  9. suburban
  10. suburbanite