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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

Those groups create chemically reactive sites, allowing the alkaline treatment to break down materials that would otherwise remain largely inert.

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

Despite its vivid blue appearance, the water at the quarry - dubbed the Blue Lagoon - is highly alkaline and potentially harmful, with a pH level comparable to bleach.

From BBC May 28, 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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