2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

Alkaline \Al"ka*line\ (?; 277), adjective [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, c[ae]sium, lithium, rubidium.

{Alkaline reaction}, a reaction indicating alkalinity, as by the action on limits, turmeric, etc.

From WordNet (r) 3.0 (2006) [wn]:



1: relating to or containing an alkali; having a pH greater than 7; "alkaline soils derived from chalk or limestone" [syn: {alkaline}, {alkalic}] [ant: {acidic}, {amphiprotic}, {amphoteric}]

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