Search Result for "alkalinity": 
Wordnet 3.0

NOUN (1)

1. pH values above 7; 



The Collaborative International Dictionary of English v.0.48:

Alkalinity \Al`ka*lin"i*ty\, n.
   The quality which constitutes an alkali; alkaline property.
   --Thomson.
   [1913 Webster]


WordNet (r) 3.0 (2006):

alkalinity
    n 1: pH values above 7 [ant: acidity]