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Definitions

alkali

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


Example Sentences

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She remembers the lake being much higher in her youth when she went to the shore with her family, carrying baskets to collect kootzabe, or alkali fly pupae, a traditional food source.

From Los Angeles Times Aug. 4, 2025

The low-carbon seawater then has alkali added to it – to neutralise the acid that was added – and is then pumped back out into a stream that flows into the sea.

From BBC Apr. 17, 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

Because a vanadium peroxide molecule is negatively charged, it needed alkali cations for charge balance, Nyman said, and the researchers used potassium, rubidium and cesium alkali cations for this study.

From Science Daily Feb. 12, 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

Glu′coside, any of those vegetable products which, on treatment with acids or alkalies, yield a sugar or some closely allied carbohydrate; Glucosūr′ia, the presence of glucose in the urine.

From Chambers's Twentieth Century Dictionary (part 2 of 4: E-M) by Various

He deals with human character as a chemist with his acids and alkalies, and while he mixes his coloured fluids in a way that surprises the profane, knows perfectly well what he is about.

From Views and Reviews by James, Henry

The discovery of electrolytic hypochlorites dates back to 1859, when Watt found that chlorides of the fixed alkalies and alkaline earths yielded hypochlorites on being submitted to the action of an electrical current.

From Chlorination of Water by Race, Joseph

Humic, hū′mik, adj. denoting an acid formed by the action of alkalies on humus or mould.

From Chambers's Twentieth Century Dictionary (part 2 of 4: E-M) by Various

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

When heated with caustic alkalis it yields dibromresorcin and dibrommonoresorcin-phthalein.

From Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 5 "Fleury, Claude" to "Foraker" by Various




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