Glossary

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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.

a substance that can act as both an acid and a base.

a substance that can donate or accept a proton. It can act as an acid or a base.

a zigzag, stepped line on the periodic table that separates the metals from the non-metals.

Subject:

measures the severity of cyclical fluctuations in the economy. The difference between peak and...

Subject:

the distance from the zero point (or equilibrium) to the maximum height or depth of a wave or...

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