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.
Here are some examples of the kinds of definitions you’ll find on this page.
a model of development based on the concept of core areas (MEDCs) and peripheral areas (LEDCs)...
refers to businesses or firms (those that have been legally registered).
the electrons in the filled, inner energy levels of an atom.