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 study of fossils.

Subject:

a large tongue-shaped organ in the mammalian body which secretes hormones and digestive enzymes...

Subject:

a mixture of enzymes and other substances secreted by the exocrine cells of the pancreas.

Subject:

ground tissue with thin-walled cells that makes up most of the plant body. These cells are used...

Subject:

small solid particles of matter such as soot, ash, metal and dust.

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