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

alkali metal \alkali metal\
   any one of the univalent metals of group i of the periodic
   table of the elements, including lithium, sodium, potassium,
   rubidium, cesium, and francium. the hydroxides of these
   metals are soluble in water and form strongly basic
   solutions.
   pjc.

[2] : WordNet (r) 2.0

alkali metal
     n : any of the monovalent metals of group i of the periodic
         table lithium or sodium or potassium or rubidium or
         cesium or francium; "the hydroxides of the alkali metals
         are strongly alkaline" syn: alkaline metal
see also:
alkaline metal 

Alkali Metal >> A Words
Alkali Metal, definition of term: Alkali Metal
alkali+metal_pag1.html

Alkali >> A Words
Alkali, definition of term: Alkali
alkali_pag1.html

Metal >> M Words
Metal, definition of term: Metal
metal_pag1.html

Base Metal >> B Words
Base Metal, definition of term: Base Metal
base+metal_pag1.html

Heavy Metal >> H Words
Heavy Metal, definition of term: Heavy Metal
heavy+metal_pag1.html

Metal Oxide Sem >> M Words
Metal Oxide Sem, definition of term: Metal Oxide Sem
metal+oxide+sem_pag1.html