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Looking for a quick definition?

We’ve got loads of key subject terms in our subject glossaries. There are three ways of finding what you are looking for:

  • First click on the letters of the alphabet to browse for terms.
  • Select a subject from the drop-down menu above to filter the terms by Subject.
  • Or lastly, type the term you are looking for into the search box.

EXAMPLES

Here are some examples of the kinds of definitions you’ll find on this page.

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complementary angles
Subject:
Mathematics

angles that add up to 90°.

complementary goods
Subject:
Economics

goods that are used with another good; an increase in the price of one product will result in a...

complementary rule
Subject:
Mathematics

if an event has a given probability P(A) then the probability of its complement P(A') is 1 – P(A...

completing the square
Subject:
Mathematics

writing a quadratic algebraic expression ax2 + bx + c with...

complex numbers
Subject:
Mathematics

numbers consisting of a combination of real and imaginary numbers.

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