Cyfieithu "feldspar" i Cymraeg

Ffelsbar, ffelsbar, Ffelsbar yw y prif gyfieithiadau o "feldspar" i Cymraeg.

feldspar noun gramadeg

(mineralogy) Any of a large group of rock-forming minerals that, together, make up about 60% of the earth's outer crust. The feldspars are all aluminum silicates of the alkali metals sodium, potassium, calcium and barium. Feldspars are the principal constituents of igneous and plutonic rocks. [..]

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