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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.

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secondary activities
Subject:
Business Studies

the industries in the manufacturing sector of the economy. They include processing,...

secondary activity
Subject:
Geography

economic activity based on the manufacturing and processing of goods

secondary cell wall
Subject:
Life Sciences

a thick layer inside the primary cell wall. It consists mainly of cellulose, hemicellulose and...

secondary cells
Subject:
Physical Sciences

rechargeable cells, such as the lead acid accumulator used in motor vehicles.

secondary consumer
Subject:
Life Sciences

an animal that eats a primary consumer.

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