What does "proportional" mean?
A proportion.
adj, noun ·4 syllables ·Moderate ·High school level
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"It is almost superfluous to remark that the numbers attached to the elements of compounds are those of the proportionals in which they combine […]"
"A vacuum-controlled straight air brake system is fitted, in which the driver's vacuum brake valve applies the train brake and makes a proportional application of the locomotive air brake."
"This ensures consistency across your website design so that you don't end up with elements that are not adequately proportional with each other."
"A font is proportional if all characters in the font have different widths due to their various sizes."
"The number of muffins that you'll receive will be inversely proportional to the number of times you talk on IRC."
A proportion.
Common synonyms include: 3-d, affinitive, analogical, analogous, appertaining, apportioning.
The number of muffins that you'll receive will be inversely proportional to the number of times you talk on IRC.