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English definition of “fractional”

fractional

adjective     /ˈfræk.ʃən.əl/
extremely small: The fall in the value of the yen might result in a fractional increase in interest rates of perhaps a quarter of one percent.Extremely smallSmall relating to only a part of something: fractional ownershipHaving and owning - general words fractionally     /-i/ adverb Despite substantial price cuts, sales have increased only fractionally (= by a very small amount).Small in number and quantity
(Definition of fractional adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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