A basic pumping unit consisting of two positive displacement pumps designed to dispense two components at a precisely controlled ratio.

In a proportionable manner; proportionately.

An unbiased stereological method used to estimate population size.

plural of proportionator

The quality of being proportionate.

plural of proportionment

The act or process of dividing out proportionally.

Quality of being proportionable.

plural of proportioner

A theory in ethics, lying between consequentialism and deontology, holding that it is never right to go against a principle unless there is a proportionate reason to justify doing so.