say it: AL-kuh-lahyn
alkaline is an adjective meaning "relating to or containing an alkali; having a pH greater than 7". It carries one recorded sense.
relating to or containing an alkali; having a pH greater than 7
“alkaline soils derived from chalk or limestone”
chemistry
Definitions, synonyms and semantic relations for alkaline come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.