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:

the seepage of acidic, contaminated water from disused mines and mine dumps.

Subject:

rain that contains high levels of sulfuric acid, hydrochloric acid and nitric acid.

Subject:

animals that lack a cavity between the digestive tract and the outer body wall.

Subject:

a disease caused by the human immunodeficiency virus (HIV).

Subject:

the immunity an organism develops during its lifetime.

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