The Collaborative International Dictionary of English v.0.48:

Aliquant \Al"i*quant\, a. [L. aliquantus some, moderate; alius
   other + quantus how great: cf. F. aliquante.] (Math.)
   An aliquant part of a number or quantity is one which does
   not divide it without leaving a remainder; thus, 5 is an
   aliquant part of 16. Opposed to aliquot.
   [1913 Webster]

WordNet (r) 3.0 (2006):

aliquant
    n 1: an integer that is not an exact divisor of some quantity;
         "5 is an aliquant part of 12" [syn: aliquant, aliquant
         part] [ant: aliquot, aliquot part]