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Definition of alkaline

alkaline

/ˈæl.kə.laɪn/
al · ka · line
Plural:alkalines
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alkaline Lexical Profile

alkaline Game Scores & Validity

• adjective

1

Having the chemical properties of an alkali, or containing alkali; having a pH greater than 7.

Example

"Hydrangeas often produce pink blossoms when grown in slightly alkaline soil."

2

Using an alkaline electrolyte rather than an acidic one to generate an electric current (of a storage battery or dry cell).

Example

"Please make sure to buy alkaline batteries for the high-drain wireless microphone."

Synonyms
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Antonyms
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• noun

1

An alkaline substance, chemical compound, or battery.

Example

"The technician neutralized the spilled acid by carefully applying a mild alkaline."

Synonyms
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Antonyms
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• Rhymes for alkaline

• Nearby Words

aliveness
alix
alkali
alkaline
alkie
alky
all

Word Origin & Etymology

Borrowed from French alcalin or Medieval Latin alcalinus, derived from Arabic al-qaliy ('the calcined ashes'), referring to the alkaline ashes left after burning saltwort plants.

Cite this Entry

Wordmom. (2026). Definition of Alkaline. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/alkaline
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