druse

See also: Druse and Drüse

English

Cavansite druse (1) on stilbite

Etymology

Borrowed via French from German Druse (“crystallized piece of ore”); compare dross.

Pronunciation

• enPR: dro͞oz; IPA^(key): /dɹuːz/

• Audio (Southern England):

  (file)

• Rhymes: -uːz

Noun

druse (plural druses or drusen)

1. (mineralogy) A rock surface with a crust of tiny crystals.
   • 1889, Dana et al, A System of Mineralogy:

     Occurs as a fine coating over the minerals in druses or cavities in the granite.

   • 1969, T. R. Meyers, The Geology of New Hampshire: Minerals and mines, page 18:

     Nontronite, a variety of chloropal occurs as a light yellow powder in druses of the North Conway granite (99, p. 312).

   • 1984, Science Reports of the Tohoku University:

     A lot of druses are found in the vein, and euhedral crystals of quartz, marcasite and sphalerite are observed as druse minerals.

2. (botany) An aggregation of calcium oxalate crystals found in certain plants.
3. (ophthalmology) A tiny yellow or white accumulation of extracellular material that builds up in Bruch's membrane of the eye.

Derived terms

• drused
• drusenoid
• drusy

Translations

a rock surface with a crust of tiny crystals

• Bulgarian: друза f (druza)
• Czech: drúza (cs) f
• Portuguese: drusa (pt) f

an aggregation of calcium oxalate crystals found in certain plants

• Portuguese: drusa (pt) f

a tiny yellow or white accumulation of extracellular material that builds up in Bruch's membrane of the eye

• Portuguese: drusa (pt) f

Anagrams

• Duers, Suder, rused

French

Etymology

Borrowed from German Druse.

Pronunciation

• Audio:

  (file)

Noun

druse f (plural druses)

1. (mineralogy) druse

Descendants

• → Catalan: drusa
• → Spanish: drusa

Further reading

• “druse”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.

Italian

Noun

druse f

1. plural of drusa