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proportionable

adjective pro·por·tion·able \ prə-ˈpȯr-sh(ə-)nə-bəl \

Definition of proportionable

: proportional, proportionate

—

proportionably

play \prə-ˈpȯr-sh(ə-)nə-blē\ adverb, archaic

First Known Use of proportionable

14th century

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