Hypertext Webster Gateway: "Alkaline"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Alkaline \Al"ka*line\ (?; 277), a. [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) 1.7 (wn)
alkaline
adj : (chemistry) relating to or containing an alkali; having a pH
greater than 7; "alkaline soils derived from chalk or
limestone" [syn: {alkalic}] [ant: {amphoteric}, {acidic}]
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