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An alphabetical glossary of technical terms used on the site.

Wāhi tapu

Sacred place with cultural or spiritual significance.

Water cluster

The clustering of different numbers of water molecules, which are held together by weak bonds called hydrogen bonds.


The distance between two successive points of an electromagnetic waveform, usually measured in nanometres (nm).

Wild type

The typical form of an organism, strain or gene.


A wool yarn made from long, tightly twisted fibres creating fine, smooth fabric.

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