NEPHELINE

nepheline, nephelite

(noun) a whitish mineral consisting of sodium aluminum silicate or potassium aluminum silicate in crystalline form; used in the manufacture of ceramics and enamels

Source: WordNet® 3.1


Etymology

Noun

nepheline (countable and uncountable, plural nephelines)

(mineral) A feldspathoid mineral of silica-poor igneous, plutonic and volcanic rocks. Chemically, nepheline is a plagioclase feldspar with insufficient silica to satisfy the chemical bonds. Because of the unfilled bonds, nepheline weathers rapidly and can only be seen as inclusions in freshly broken rock.

Synonyms

• nephelite

Source: Wiktionary


Neph"e*line, Neph"e*lite, n. Etym: [gr. néphéline. Cf. Nebula.] (Min.)

Definition: A mineral occuring at Vesuvius, in glassy agonal crystals; also elsewhere, in grayish or greenish masses having a greasy luster, as the variety elæolite. It is a silicate of aluminia, soda, and potash.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

19 March 2025

CLEVIS

(noun) a coupler shaped like the letter U with holes through each end so a bolt or pin can pass through the holes to complete the coupling; used to attach a drawbar to a plow or wagon or trailer etc.


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