adj 1 : able or apt to vary : subject to variation or changes <allergy is perhaps the most of all diseases -H. G. Rapaport & Shirley Linde> 2 : characterized by variations 3 : not true to type : ABERRANT - used of a biological group or character vari*abil*i*ty n pl -ties
n : something that is variable .
Similar sounding terms: fri·a·ble phor·bol
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