1680s, "greater heaviness, fact of exceeding in weight," from Latin praeponderans, present participle of praeponderare "make heavier" (see preponderate). Sense of "greater importance" is from 1780; that of "greater number" is from 1845. Related: Preponderancy.
the preponderance of good over evil
the preponderance of wealth and power
a preponderance of evidence against the defendant
the least preponderance in either pan will unbalance the scale
prepare
preparedness
prepay
prepend
prepense
preponderance
preponderant
preponderate
preponderous
preposition
pre-position