[ an-tuh-muh-nuh s, -moh-nuh s ]
/ ˈæn tə mə nəs, -ˌmoʊ nəs /

adjective Chemistry.

of or containing antimony, especially in the trivalent state.


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 bird names traces its immediate origin to Portuguese?
Also an·ti·mo·ni·ous [an-tuh-moh-nee-uh s] /ˌæn təˈmoʊ ni əs/.

Origin of antimonous

First recorded in 1825–35; antimon(y) + -ous Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for antimonous

/ (ˈæntɪmənəs) /


of or containing antimony in the trivalent state
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