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:

two species that interact symbiotically in a relationship that is beneficial to both species....

Subject:

a dense mat of fungal hyphae.

Subject:

the layer of fatty material that is usually only surrounds the axon of a neuron. It is made from...

Subject:

the natural resistances with which a person is born. It occurs because of a body's genetic make-...

Subject:

a sensation of unease and discomfort in the upper stomach with an involuntary urge to vomit. A...

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