13-letter words containing a, n, t, h, u
- xanthochroous — light-skinned and fair-haired
- you know what — a thing or person that the speaker cannot or does not want to specify
- zarathustrian — Zoroaster.
- zinc sulphate — a colourless soluble crystalline substance usually existing as the heptahydrate or monohydrate: used as a mordant, in preserving wood and skins, and in the electrodeposition of zinc. Formula: ZnSO4
- zinjanthropus — the genus to which Australopithecus boisei was formerly assigned.