Alkaline

2 definitions found

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

  Alkaline \Al"ka*line\ (?; 277), a. [Cf. F. alcalin.]
     Of or pertaining to an alkali or to alkalies; having the
     properties of an alkali.
     [1913 Webster]
  
     {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.
        [1913 Webster]

From WordNet (r) 2.0 [wn]:

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