al·ka·line 
(ălkə-lĭn, -līn′)
(ălkə-lĭn, -līn′)adj.
1. Of, relating to, or containing an alkali.
2.
a. Having a pH greater than 7.
b. Having a relatively low concentration of hydrogen ions.
3. Of or relating to a common disposable battery made of zinc and manganese dioxide.