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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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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

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

From BBC May 26, 2026

The site's pH of 12 makes it one of the most alkaline environments ever documented, creating conditions that are exceptionally difficult for life to endure.

From Science Daily Nov. 9, 2025

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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