/dɹuːz/
OriginBorrowed via French from German Druse (“crystallized piece of ore”); compare dross.
- A rock surface with a crust of tiny crystals.
“Occurs as a fine coating over the minerals in druses or cavities in the granite.”
“Nontronite, a variety of chloropal occurs as a light yellow powder in druses of the North Conway granite (99, p. 312).”
“A lot of druses are found in the vein, and euhedral crystals of quartz, marcasite and sphalerite are observed as druse minerals.”
- An aggregation of calcium oxalate crystals found in certain plants.
- A tiny yellow or white accumulation of extracellular material that builds up in Bruch's membrane of the eye.
Formsdruses(plural) · drusen(plural)