adjective

alkaline

alkaline

This soap is highly alkaline.

This soap is highly alkaline.

Alkaline batteries last longer.

Alkaline batteries last longer.

((be)) alkaline having the properties of an alkali This soap is highly alkaline.

alkaline ((noun)) relating to or containing an alkali Alkaline batteries last longer.

Synonyms: basic; Antonyms: acidic

Derived from 'alkali' plus the adjective-forming suffix '-ine'.

If it relates to an 'alkali', it's 'alkaline'. The '-ine' suffix often indicates an adjective (e.g., crystalline, feline).

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