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.

Subject:

a visible mass of water droplets and/or ice crystals floating in the atmosphere

Subject:

spatially matching and aligning data sets, e.g. digital elevation models and satellite images...

Subject:

boundary between two air masses where a cold, denser air mass is moving towards warmer air

Subject:

farming for the purpose of producing goods for sale

Subject:

a raw material that is used to manufacture goods that consumers buy

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