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:

ecotourism that is carried out thoughtfully, morally and in a way that is acceptable to all...

Subject:

organisms whose cells have a true nucleus and true organelles. These structures are not...

Subject:

animals that live socially or in colonies and perform certain tasks for the good of the colony...

Subject:

the excessive growth of alga and hydrophytes in response to the addition of artificial or...

Subject:

the loss of water from the land to the atmosphere by evaporation from land and water surfaces,...

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