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alkali

[al-kuh-lahy] / ˈæl kəˌlaɪ /
NOUN
soluble base; opposite of an acid
Synonyms


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.

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The company has one aquamation machine that uses alkali solution, heat and pressure to break down the organic material into ashes.

From Los Angeles Times May 23, 2025

Another Los Angeles Times report on a roundup of immigrants begins by noting, “Human misery was compounded here today by a blistering desert sun and swirls of alkali dust.”

From Salon Sep. 21, 2024

Using the proposed method, larger alkali metal ions such as cesium could be incorporated into the perovskite structure, leading to ferroelectrics with desirable dielectric properties.

From Science Daily Apr. 25, 2024

As the manhunt for Abdul Shokoor Ezedi continues, what do we know about the suspect in the alkali attack in Clapham, south London?

From BBC Feb. 2, 2024

The way to unlock the niacin in corn is to cook it with an alkali like lime.

From "The Omnivore's Dilemma" by Michael Pollan

Pots, pans, vats, machines exposed to corrosives will be protected by a skin of aluminum, metal highly resistant to mos.t acids and alkalies.

From Time Magazine Archive

Acids and alkalies are to some extent responsible for the fading of fabrics in the wash when these fabrics owe their colour to vegetable dyes.

From Household Administration Its Place in the Higher Education of Women by Various

In the same manner, alkalies may be detected by a strip of turmeric yellow paper, which will be also changed to red by alkalies.

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 Unknown, Various

Where the case is not imminent, alkalies have sometimes been successfully administered, which combine with the carbonic acid gas, and thus at once reduce its volume.

From Sheep, Swine, and Poultry Embracing the History and Varieties of Each; The Best Modes of Breeding; Their Feeding and Management; Together with etc. by Jennings, Robert

As the process of ripening becomes perfected, the acids combine with alkalies, and thus the acidity of the fruit diminishes, while its sweetness increases.

From American Pomology Apples by Warder, J. A.

In addition, the scientists substituted ammonium and tetramethyl ammonium, the former of which is mildly acidic, for the alkalis.

From Science Daily Feb. 12, 2024

Fermenting encompasses a range of processes through which microorganisms — yeasts, molds, bacteria — break down compounds in food to create alcohols, acids or alkalis, which in turn prevent the growth of harmful pathogens.

From Salon Dec. 6, 2023

Coal provided the power; the nascent chemical industry supplied the acids and alkalis essential to these enterprises.

From Nature Aug. 30, 2020

Alkalis were extracted from ashes, and soaps were prepared by combining these alkalis with fats.

From Textbooks Feb. 14, 2019

Caustic alkalis hydrolyse it readily to the alkaline chloride and cyanate.

From Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 8 "Cube" to "Daguerre, Louis" by Various




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