See Also: unburnt(dictionary)

frustule (iou) and unburnt (iou)


frustule (iou)



frustule noun. M19.
[Latin frustulum dim. of FRUSTUM: see -ULE.]
Botany. The silicified cell wall of a diatom (with or without its contents), which consists of two valves or overlapping halves.

unburnt (iou)



unburnt adjective. . ME.
[from UN-1 + BURNT.]
Not burnt or consumed by fire; not charred or scorched.