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feldspathoid

noun, adj — 2 senses

feldspathoid

noun

Etymology From German Feldspath (“feldspar”) + -oid.

1

Chemistry, Geography, Geology, Mineralogy, Natural sciences, Physical sciences Any of a small group of igneous, plutonic, and volcanic minerals formed in magma that did not contain enough silica to satisfy all the chemical bonds. Feldspathoids are silica-poor variants of the feldspar group.

Derived terms
feldspathoidal
Hyponyms
analcime, cancrinite, hauynite, kalsilite, lazurite, leucite, nepheline, nosean, sodalite

feldspathoid

adj

Etymology From German Feldspath (“feldspar”) + -oid.

1

Chemistry, Geography, Geology, Mineralogy, Natural sciences, Physical sciences Resembling a feldspar.

Related terms
feldspathic

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.