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Definitions

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.

The process - called alkaline hydrolysis - will offer families a third option instead of burial or traditional cremation.

From BBC • Mar. 2, 2026

“When the Emperor Was Divine” takes place in Utah, in “a city of tar-paper barracks behind a barbed-wire fence on a dusty alkaline plain.”

From The Wall Street Journal • Feb. 17, 2026

Darkness clings to the sky as thousands of bikers zoom across a dusty alkaline flat in search of a sunrise set, hoping to outpace the gash of periwinkle light bleeding over the horizon.

From Los Angeles Times • Oct. 23, 2025

This charge allows them to work throughout the body in chemical reactions that maintain normal brain functioning, balance fluids inside and outside of body cells and even balance how acidic or alkaline your blood is.

From Salon • Jan. 21, 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