Scientific Glossary

Glossary of terms and abbreviations relevant to the International Seabed Authority and the documents it produces

Please note that this is a constantly evolving document.

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X-ray diffraction

A method for studying microscopic crystal morphology using the scattering of x-rays by matter. Allows for the identification of the minerals present in the sample under investigation. Abbreviated to XRD

X-ray fluorescence

A quantitative chemical analysis method for determining the elements present in a sample and their concentrations using the fluorescence produced by the sample when it is exposed to x-rays. Abbreviated to XRF.

XBT

Expendable Bathythermograph.

XCTD

Expendable CTD probe.

XRD

X-ray diffraction.

XRF

X-ray fluorescence.