alkaline

[ al-kuh-lahyn, -lin ]

/ ˈæl kəˌlaɪn, -lɪn /

SEE SYNONYMS FOR alkaline ON THESAURUS.COM

adjective Chemistry.

of or like an alkali.

containing an alkali.

having the properties of an alkali.

having a pH value greater than 7.Compare acid(def 5c).

Words nearby alkaline

alkali-loving, alkalic, alkalify, alkalimeter, alkalimetry, alkaline, alkaline earth, alkaline phosphatase, alkaline soil, alkaline tide, alkaline-ash diet

Origin of alkaline

First recorded in 1670–80; alkal(i) + -ine¹

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for alkaline

Things on the other side of the ledger, at a pH above 7, are alkaline (also called “basic” as in acid-base).
Alkalinizing Someone to Improve His or Her Health Is Simple-Minded, Fatuous, and Dangerous|Kent Sepkowitz|January 29, 2014|DAILY BEAST
Clearly this is not identical to the Organic Liaison supplement, as vinegar is acid, not alkaline.
The Scientology Diet?|Kim Masters|March 18, 2010|DAILY BEAST
Solitude with Willie was an alkaline Death Valley without oasis.
What Will People Say?|Rupert Hughes
The dark-coloured soft mass is then removed from the alkaline liquid, dissolved in water, and hydrochloric acid460 added.
Cooley's Cyclopdia of Practical Receipts and Collateral Information in the Arts, Manufactures, Professions, and Trades..., Sixth Edition, Volume I|Arnold Cooley

It melts at 170°, and dissolves in alkaline solutions coloring them green.
The Medicinal Plants of the Philippines|T. H. Pardo de Tavera
Combine the ether extractions into the funnel and wash with water until no alkaline reaction is obtained from the wash water.
Soap-Making Manual|E. G. Thomssen
Many researches have been directed to classify acid and alkaline solutions according to the concentration of the hydrion.
Encyclopaedia Britannica, 11th Edition, Volume 14, Slice 4|Various

British Dictionary definitions for alkaline

alkaline

/ (ˈælkəˌlaɪn) /

adjective

having the properties of or containing an alkali

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012