sanidine
[ san-i-deen, -din ]
/ ˈsæn ɪˌdin, -dɪn /
noun Mineralogy.
a glassy, often transparent variety of orthoclase in which sodium may replace as much as 50 percent of the potassium: forms phenocrysts in some igneous rocks.
Origin of sanidine
OTHER WORDS FROM sanidine
san·i·din·ic [san-i-din-ik] /ˌsæn ɪˈdɪn ɪk/, adjectiveWords nearby sanidine
sanguinopurulent,
sanguivorous,
sanhedrin,
sanibel island,
sanicle,
sanidine,
sanies,
saniopurulent,
sanioserous,
sanious,
sanit.
Example sentences from the Web for sanidine
British Dictionary definitions for sanidine
sanidine
/ (ˈsænɪˌdiːn, -dɪn) /
noun
an alkali feldspar that is a high-temperature glassy form of orthoclase in flat, tabular crystals, found in lavas and dykes. Formula: KAlSi 3 O 8
Word Origin for sanidine
C19: from German, from Greek
sanis, sanidos a board