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.

Select a subject
Search for a definition...
Subject:

the top layers of soil and rock in an open-cast mine

when too much light gets into the camera aperture (opening). This causes a blurred effect, which...

Subject:

a fold in which both the limbs dip in the same direction so that the strata in the middle part...

Subject:

the gradient is such that the river has excess energy and erosion occurs

Subject:

damage caused to the vegetation when it is intensively fed upon by grazing animals and does not...

Pages