Subsesqui-

1 definition found

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

  Subsesqui- \Sub*ses"qui-\ [Pref. sub- + sesqui-.] (Chem.)
     A prefix (also used adjectively) denoting the combination of
     constituents (especially electro-negative and
     electro-positive bodies) in the proportion of two to three;
     as, a subsesqui acetate, i. e., a salt having two equivalents
     of acetic acid to three of the base.


     [1913 Webster]