[ prop-uh-lahyt ]
/ ˈprɒp əˌlaɪt /
a hydrothermally altered andesite or allied rock containing secondary minerals, as calcite, chlorite, serpentine, or epidote.
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What does “Promethean” mean?
Words nearby propylite
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences from the Web for propylite
These consisted of rocks moderately rich in silica, and are grouped under the heads of propylite and andesite.Volcanoes: Past and Present|Edward Hull
British Dictionary definitions for propylite
/ (ˈprɒpɪˌlaɪt) /
geology an altered andesite or similar rock containing calcite, chlorite, etc, produced by the action of hot water
Word Origin for propylite
C20: from propylon (see propylaeum) + -ite 1; so named because it is associated with the start of the Tertiary volcanic era
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012