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Definitions

alkaline

[al-kuh-lahyn, -lin] / ˈæl kəˌlaɪn, -lɪn /
ADJECTIVE
being basic, not acid (chemically)
Synonyms


Example Sentences

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According to the researchers, this represents the first use of their alkaline thermal treatment method to overcome all three problems at once.

From Science Daily ● Jul. 31, 2026

PET responded well to the alkaline treatment, but polyethylene and polypropylene initially produced less hydrogen.

From Science Daily ● Jul. 31, 2026

Essentia, the supercharged ionized alkaline water, was for models and Kardashians.

From The Wall Street Journal ● Jul. 29, 2026

It is one of the only spas with natural, alkaline hot springs in L.A., so the water is just heavenly.

From Los Angeles Times ● May 15, 2026

When the soil is too alkaline, which can be thought of as being too sweet, you need to add sulfur.

From "Counting by 7s" by Holly Goldberg Sloan




Vocabulary lists containing alkaline


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