See Also: phyllite(medicine)
phyllite(dictionary)
phyllite(encyclopedia)

phyllite (iou)



phyllite noun. E19.
[from Greek phullon leaf + -ITE1.]
1. Mineralogy. An aluminosilicate of iron, magnesium, and potassium. obsolete exc. Hist. E19.
2. Geology. A fine-grained metamorphic rock with a well-developed schistosity, intermediate between slate and schist. L19.
phyllitic adjective consisting of or having the character of phyllite L19.