Dictionary.com

piedmontite

[ peed-mon-tahyt ]
/ ˈpid mɒnˌtaɪt /
Save This Word!

noun
a mineral, similar to epidote but containing manganese: found in schists and manganese ores.
QUIZ
GOOSES. GEESES. I WANT THIS QUIZ ON PLURAL NOUNS!
Test how much you really know about regular and irregular plural nouns with this quiz.
Question 1 of 9
Which of the following nouns has an irregular plural form?

Origin of piedmontite

From German, dating back to 1850–55; see origin at Piedmont, -ite1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use piedmontite in a sentence

British Dictionary definitions for piedmontite

piedmontite

piemontite

/ (ˈpiːdmɒnˌtaɪt, -mən-) /

noun
a dark red mineral occurring in metamorphic rocks: a complex hydrated silicate containing calcium, aluminium, iron, and manganese. Formula: Ca 2 (Al,Fe,Mn) 3 (SiO 4) 3 OH

Word Origin for piedmontite

C19: from Piedmont in Italy
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
FEEDBACK