potass

American  

[pot-as] / ˈpɒtˌæs /

noun

1. potash.

2. potassium.

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Etymology

Origin of potass

1790–1800; < French potasse < Dutch potasch (now pronounced and spelled potas ) potash

Example Sentences

See Examples For:

potass

As an additional means of secrecy, the messages may be transmitted invisibly, by moistening the paper with diluted muriatic acid alone, the writing being rendered legible by a solution of prussiate of potass.

From The International Magazine, Volume 2, No. 2, January, 1851 by Various

A few compilers of "Receipt Books," "Supplements to Pharmacopœias," and others, add to the lime "charcoal powder," "carbonate of potass," "starch," &c.; but what action have these materials—chemically—upon hair?

From The Art of Perfumery And Methods of Obtaining the Odors of Plants by George William Septimus Piesse

If written with a solution of sulphate of iron, and rubbed over with a solution of prussiate of potass, it will appear of a beautiful blue colour.

From The Cook and Housekeeper's Complete and Universal Dictionary; Including a System of Modern Cookery, in all Its Various Branches, Adapted to the Use of Private Families by Mary Eaton

Then print, or draw with a camel-hair pencil, any figure or figures on every part of the paper, with a solution of sub-carbonate of potass.

From A Select Collection of Valuable and Curious Arts and Interesting Experiments, Which are Well Explained and Warranted Genuine and may be Performed Easily, Safely, and at Little Expense. by Various Unknown

Process 4.—Write with a solution of sub-carbonate of potass; wet this writing with a solution of sulphate of iron,—it will take a deep yellow colour.

From A Select Collection of Valuable and Curious Arts and Interesting Experiments, Which are Well Explained and Warranted Genuine and may be Performed Easily, Safely, and at Little Expense. by Various Unknown