Definify.com
Webster 1913 Edition
Alkaline
Al′ka-line
(?; 277)
, Adj.
[Cf. F.
alcalin
.] 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.
Webster 1828 Edition
Alkaline
AL'KALINE
,Adj.