Another round of winter weather moves into the South Associated Press; The 38 most amazing photos of this week's weather
proportional - one of the quantities in a mathematical proportion. quantity - the concept that something has a magnitude and can be represented in mathematical expressions by a constant or a variable. proportion - the quotient obtained when the magnitude of a part is divided by the magnitude of the whole.
Webster Dictionary(0.00 / 0 votes)Rate this definition: 1  Contribution(noun) the act of contributing. 2  Contribution(noun) that which is contributed; -- either the portion which an individual furnishes to the common stock, or the whole which is formed by the gifts of individuals.