a coarse-grained igneous rock consisting of plagioclase, olivine, and augite.
Origin of teschenite
1865–70; Teschen (German name of Czech Tešín, town in the Czech Republic) + -ite1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for teschenite
Historical Examples of teschenite
Many diabases, especially those of the teschenite sub-group, are filled with zeolites.