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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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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

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

From Science Daily Jul. 31, 2026

Another is ocean alkalinity, in which alkaline rocks are dispersed in the sea to capture carbon and neutralize it in seawater.

From The Wall Street Journal Jun. 17, 2026

White liquor is an alkaline chemical containing sodium hydroxide and sodium sulfide.

From BBC May 26, 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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