[ sen-er-mon-tahyt ]
/ ˌsɛn ərˈmɒn taɪt /


a mineral, antimony trioxide, Sb2O3, occurring in pearl-colored isometric octahedrons: a dimorph of valentinite.


Discover The Influence Of Portuguese On English Via This Quiz!
We’ve gathered some interesting words donated to English from Portuguese … as well as some that just don’t translate at all. Do you know what they mean?
Question 1 of 11
Which of the following animal names traces its immediate origin to Portuguese?

Words nearby senarmontite

Origin of senarmontite

1850–55; named after Henri de Sénarmont (died 1862), French mineralogist; see -ite1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for senarmontite

/ (ˌsɛnɑːˈmɒntaɪt) /


a white or grey mineral consisting of antimony trioxide in cubic crystalline form. Formula: Sb 2 O 3

Word Origin for senarmontite

C19: named after Henri de Sénarmont (died 1862), French mineralogist
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