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:

all the chemical reactions involved in maintaining the living state of the cells and the...

Subject:

the spread of cancer cells from the original (primary) malignant tumour to other parts of the...

Subject:

simple inorganic chemical substances (mineral salts) that are needed in very small amounts for...

Subject:

very small organisms that are invisible to the naked eye.

Subject:

is one-millionth of a metre or one-thousandth of a millimetre (0,001 mm). Its unit symbol in the...

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