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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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Subject:

movement of sections of Earth's crust; movement may be horizontal or vertical

the part of the Earth's hydrosphere that is made of frozen water.

the ordered three-dimensional arrangement of the particles of a crystal in an ionic bond or...

Subject:

containing crystals

polymers are only able to form areas of crystallinity or crystalline domains, and are not...

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