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:

is the gaining of a plant's ability to flower or germinate in the spring after exposure to the...

any writing in poetic form. See blank verse and free verse.

Subject:

a corner point of any polygon.

Subject:

the highest or lowest point on a parabola, depending on whether the graph is ∩-shaped or ∪-...

Subject:

a photograph taken at 90° to the ground

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