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:

an organelle that occurs in the cytoplasm of both plant and animal cells. It is made from stacks...

Subject:

an animal that feeds mainly on grasses.

Subject:

the dramatic increases in crop production around the world from the second half of the twentieth...

Subject:

a structure made mostly of glass, in which temperature and humidity can be controlled for the...

Subject:

the trapping of the sun's heat energy by certain gases in the atmosphere, e.g. carbon dioxide...

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