Find Definitions

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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Subject:

a clear, colourless, odourless and tasteless liquid that can also occur as a gas (water vapour)...

the natural circulation of water on, above or below the surface of the Earth.

Subject:

(also called a hydrological cycle) the cycle of evaporation and condensation that controls the...

the total mass of water retained by certain salts at a given temperature.

Subject:

the upper surface of the ground water.

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