arsenical

adjective

ar·​sen·​i·​cal är-ˈse-ni-kəl How to pronounce arsenical (audio)
: of, relating to, containing, or caused by arsenic
arsenical poisoning
arsenical noun

Example Sentences

Recent Examples on the Web Although others suspected arsenical wallpaper, Morris didn’t believe—or claimed not to believe—that arsenic was bad for you. Kat Eschner, Smithsonian, 3 Apr. 2017 The Industrial Revolution gave rise to a prolific amount of smelting and burning of coal, which released arsenical compounds that then made their way into a variety of products. Brigit Katz, Smithsonian, 13 Mar. 2017 Although others suspected arsenical wallpaper, Morris didn’t believe—or claimed not to believe—that arsenic was bad for you. Kat Eschner, Smithsonian, 3 Apr. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'arsenical.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

Etymology

borrowed from New Latin arsenicālis, from Latin arsenicon arsenic entry 1 + -ālis -al entry 1

First Known Use

1605, in the meaning defined above

Time Traveler
The first known use of arsenical was in 1605

Dictionary Entries Near arsenical

Cite this Entry

“Arsenical.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/arsenical. Accessed 5 Dec. 2022.

Medical Definition

arsenical 1 of 2

adjective

ar·​sen·​i·​cal är-ˈsen-i-kəl How to pronounce arsenical (audio)
: of, relating to, containing, or caused by arsenic
an arsenical drug
arsenical poisoning

arsenical

2 of 2

noun

: a compound or preparation containing arsenic
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