arsenic acid

American

noun

Chemistry.

a white, crystalline, water-soluble powder, H 3 AsO 4 ⋅½H 2 O, used chiefly in the manufacture of arsenates.

arsenic acid British

noun

a white poisonous soluble crystalline solid used in the manufacture of arsenates and insecticides. Formula: H 3 AsO 4

"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

Etymology

Origin of arsenic acid

First recorded in 1795–1805

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A salt having two equivalents of arsenic acid to one of the base.

From Project Gutenberg

It is easily oxidized by heating with concentrated nitric acid to arsenic acid, and with concentrated sulphuric acid to arsenic trioxide; dilute nitric acid only oxidizes it to arsenious acid.

From Project Gutenberg

Even the spent arsenic acid of the magenta-still has its use.

From Project Gutenberg

The filtrate contains the arsenic as arsenic acid.

From Project Gutenberg

This substance conducted, and was decomposed; but it contained water, and I was unable at the time to press the investigation so as to ascertain whether a fusible anhydrous arsenic acid could be obtained.

From Project Gutenberg

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