feldspar
1 synonym for feldspar, grouped by meaning and by how common each one is.
Noun — Any of a group of common minerals made of aluminium, silicon and oxygen combined with potassium, sodium or calcium, which together form roughly 60% of the Earth's crust.
Synonyms
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
felspar
Etymology
This is a partial calque of German Feldspat, itself made up of Feld (“field”) and Spat (“spar”); English swapped in the cognate spar for the second part.
Full origin of feldspar →