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 muscular sac-like organ in which food is mixed with gastric juice.

Subject:

minute pores in the epidermis of a leaf or stem which allows for movement of gases and water...

Subject:

an opening between the guard cells.

Subject:

the formation of layers of water of different temperatures in large bodies of water - dams,...

Subject:

made up of a number of layers.

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