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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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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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