Meaning of PROPORTIONAL in English

adj relating to, or securing, proportion.

2. proportional ·noun any number or quantity in a proportion; as, a mean proportional.

3. proportional ·noun the combining weight or equivalent of an element.

4. proportional ·adj having a due proportion, or comparative relation; being in suitable proportion or degree; as, the parts of an edifice are proportional.

5. proportional ·adj constituting a proportion; having the same, or a constant, ratio; as, proportional quantities; momentum is proportional to quantity of matter.

Webster English vocab.      Английский словарь Webster.