Meaning of ALKALINE in English

ˈalkələ̇n, -ˌlīn adjective

Etymology: alkali + -ine

1. : of, relating to, or having the properties of an alkali: as

a. : having an alkaline reaction : having a pH of more than 7

an alkaline soil

a strongly alkaline solution

b. : containing or involving the use of alkali

alkaline bath

alkaline fusion

— see basic 3, caustic 1

2. : of or relating to the alkali metals

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.