permanganate

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

noun a dark purple salt of permanganic acid; in water solution it is used as a disinfectant and antiseptic

From per- + manganate.

For washing purposes it must be treated with a few tablets of permanganate of potassium which colours it red. — An African Adventure, Isaac Frederick Marcosson
Permanganate of potash in boiling water, applied to the floor hot, will produce a stain, the color being dependent on the number of coats. — Practical Mechanics for Boys, James Slough Zerbe
Sulphur, formaldehyde, carbolic acid, permanganate of potash, chloride of lime, bichloride of mercury--the author knew not which of these "fetiches" to be most sarcastic about. — Ten Thousand Miles with a Dog Sled: A Narrative of Winter Travel in Interior Alaska, Hudson Stuck

Type a word, a sentence, a book title, or a link to an English article. WordNet and the Classics answer.

Try

A library of classics · a vault of words · instant etymology & meaning