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.

the Celsius temperature at which the volume of the gas is zero.

take up or receive

a substance that can donate a proton (H+ ion).

sulfur dioxide is extremely soluble in water, forming sulfurous acid. This acid oxidises to form...

a salt that can neutralise a base.

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