Word Type

Adjective

Noun

Adjective

The word "alkaline" can be used as adjective, noun and adjective.

Word Relationships

Opposites (Antonyms)

acidic acidic amphoteric

Coordinate Terms

acidic

Defined As

opposite of acidic

Derived Terms

alkaline air alkaline battery alkaline earth alkaline earth metal alkaline glaze alkaline hydrolysis alkaline phosphatase alkalinely alkalinise alkalinity alkalinization alkalinize antalkaline antialkaline hyperalkaline immunoalkaline nonalkaline peralkaline subalkaline superalkaline

Derived From

alkali

Etymologically Related To

alkali

Context

chemistry

Related Terms

alkalescent alkali alkalic alkaloid

Related Terms

alkali alkaline battery alkaloid ph

Similar Terms

alcalescent alcalescent alkalescent base forming base-forming basic basic saltlike saltlike

Synonym Network

basic

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.