Find Definitions

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.

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the energy required to break the bonds of the reactants and start a reaction.

Subject:

a remote sensing system that sends out radiation to a feature or area and sensors record the...

Subject:

using photovoltaic technology to harness the energy from the sun and convert it into electrical...

Subject:

the movement of molecules across a membrane against the concentration gradient, from an area of...

when the subject of the sentence performs the action expressed by the verb, e.g. The dog bit...

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