RHYOLITE

rhyolite

(noun) very acid volcanic rock

Source: WordNet® 3.1


Etymology

Noun

rhyolite (countable and uncountable, plural rhyolites)

(geology) An igneous, volcanic (extrusive) rock, of felsic composition, with aphanitic to porphyritic texture.

Synonyms: liparite, quartz-trachyte

Source: Wiktionary


Rhy"o*lite, n. Etym: [Gr. -lite.] (Min.)

Definition: A quartzose trachyte, an igneous rock often showing a fluidal structure.

– Rhy`o*lit"ic, a.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

26 September 2024

ACETAMINOPHEN

(noun) an analgesic for mild pain but not for inflammation; also used as an antipyretic; (Datril, Tylenol, Panadol, Phenaphen, Tempra, and Anacin III are trademarks of brands of acetaminophen tablets)


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