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 cell that contains a single complete set of chromosomes.

Subject:

the hard 'roof' of the front of the mouth.

Subject:

microscopic canals running longitudinally through compact bone tissue that contain blood vessels...

Subject:

allergic reaction to certain allergens such as pollen. It causes sneezing, a runny nose and...

Subject:

all types of waste that pose a significant threat to people and the environment.

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