multiplicative
1. [ adjective ] tending or having the power to multiply or increase in number or quantity or degree
Examples:

"the multiplicative tendency of proportional representation"

Related terms: increasing
Similar spelling:   multiplicatively
  multiplication
  multiplicand
  multivariate
  multiplicity
  multiplier_factor
  multiple-choice
  multiplexer
  multivitamin
  multiplier_onion
  multifarious
  multiple_star
  multifaceted
  multifariousness
  multifariously
  multifactorial