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Definitions

alkali

[al-kuh-lahy] / ˈæl kəˌlaɪ /
NOUN
soluble base; opposite of an acid
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.

These bacteria produce acid but are weak at generating alkali.

From Science Daily • Jan. 9, 2026

She remembers the lake being much higher in her youth when she went to the shore with her family, carrying baskets to collect kootzabe, or alkali fly pupae, a traditional food source.

From Los Angeles Times • Aug. 4, 2025

Another Los Angeles Times report on a roundup of immigrants begins by noting, “Human misery was compounded here today by a blistering desert sun and swirls of alkali dust.”

From Salon • Sep. 21, 2024

A man suspected of an alkali attack in south London should not have been granted asylum, according to Home Office guidelines.

From BBC • Feb. 2, 2024

Experiments of the German Gerhard Schramm, first published in 1944, reported that TMV particles in mild alkali fell apart into free RNA and a large number of similar, if not identical, protein molecules.

From "Double Helix" by James D. Watson