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alkaline

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


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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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

These two plastics are composed entirely of carbon-hydrogen bonds and are chemically resistant under alkaline conditions.

From Science Daily ● Jul. 31, 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

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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