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Glossary

A glossary of science-related words.

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X-ray

A form of electromagnetic radiation with a wavelength of 0.01 to 10 nanometres. X-rays are used in medical fields as an imaging technique.

X-ray spectroscopy

The use of X-rays to find out the structure and properties of chemicals.

xylem

The woody vascular tissue of a plant that carries water and minerals in stems, roots and leaves and gives support to softer tissues.