Dictionary.com
Thesaurus.com

arsenolite

American  
[ahr-sen-l-ahyt] / ɑrˈsɛn lˌaɪt /

noun

  1. a mineral, arsenic trioxide, As 2 O 3 , occurring usually as a white incrustation on arsenical ores.

Etymology

Origin of arsenolite

First recorded in 1850–55; arseno- + -lite

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training