arsenous acid

ar·se·nous ac·id

A a

Definitions of arsenous acid words

noun arsenous acid a toxic white powder, As2O3, used to make other arsenic compounds, insecticides, and preservatives; white arsenic 3
noun arsenous acid a hypothetical acid, H 3 AsO 3 or HAsO 2 , found only in solution or in the form of its salts. 1
noun arsenous acid arsenic trioxide. 1

before 1790

One of the 43% newest English words

First recorded in 1790-1800

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This term is known only to a narrow circle of people with rare knowledge. Only 7% of English native speakers know the meaning of this word.

According to our data most of word are more popular. This word is almost not used. It has a much more popular synonym.

This diagram is provided by Google Ngram Viewer

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