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 towering vertical cloud with a flat, dark base and tall, dense, fluffy towers, often with an...

Subject:

a small cloud with a flat base and small tufts that look like puffs of cotton wool or...

Subject:

a low pressure cell

Subject:

(also called frontal rain) rain that occurs where two air masses meet

Subject:

(also called a scree slope or talus slope) a slope element formed by deposition at the base of...

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