The Collaborative International Dictionary of English v.0.48:

Refrigerate \Re*frig"er*ate\ (-[=a]t), v. t. [imp. & p. p.
   Refrigerated (-[=a]`t[e^]d); p. pr. & vb. n.
   Refrigerating.] [L. refrigeratus, p. p. of refrigerare;
   pref. re- re- + frigerare to make cool, fr. frigus, frigoris,
   coolness. See Frigid.]
   To cause to become cool; to make or keep cold or cool.
   [1913 Webster]

WordNet (r) 3.0 (2006):

refrigerating
    adj 1: causing cooling or freezing; "a refrigerant substance
           such as ice or solid carbon dioxide" [syn: refrigerant,
           refrigerating]