ALKALINE
alkaline, alkalic
(adjective) relating to or containing an alkali; having a pH greater than 7; “alkaline soils derived from chalk or limestone”
Source: WordNet® 3.1
Etymology
Adjective
alkaline (comparative more alkaline, superlative most alkaline)
Of, or relating to an alkali, one of a class of caustic bases.
(chemistry) Having a pH greater than 7.
Synonyms
• (chemistry): basic
Antonyms
• (chemistry): acidic
Noun
alkaline (plural alkalines)
An alkaline battery.
Source: Wiktionary
Al"ka*line, a. Etym: [Cf. F. alcalin.]
Definition: Of or pertaining to an alkali or to alkalies; having the
properties of an alkali. Alkaline earths, certain substances, as
lime, baryta, strontia, and magnesia, possessing some of the
qualities of alkalies.
– Alkaline metals, potassium, sodium, cæsium, lithium, rubidium.
– Alkaline reaction, a reaction indicating alkalinity, as by the
action on limits, turmeric, etc.
Source: Webster’s Unabridged Dictionary 1913 Edition