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:

the circulation of sea water by ocean currents

Subject:

movement of surface ocean water caused by the dragging action of planetary winds; a stream of...

Subject:

a subduction zone in the ocean floor where tectonic plates converge

Subject:

extraction of oil and gas resources that lie underwater by means of a well that has been drilled...

Subject:

wind that blows from the land to the sea

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