1. superiority in power or influence - the preponderance of good over evil - the preponderance of wealth and power • Derivationally related forms: preponderant, preponderate • Hypernyms: power, powerfulness 2. a superiority in numbers or amount - a preponderance of evidence against the defendant • Syn: prevalence • Derivationally related forms: prevail (for: prevalence), preponderate • Hypernyms: number, figure 3. exceeding in heaviness; having greater weight - the least preponderance in either pan will unbalance the scale • Derivationally related forms: preponderate • Hypernyms: heaviness, weightiness