/ əˈpriːʃəbl; NAmE / adjective
large enough to be noticed or thought important
SYN considerable :
The new regulations will not make an appreciable difference to most people.
an appreciable effect / increase / amount
► ap·pre·ciably / -əbli; NAmE / adverb :
The risk of infection is appreciably higher among children.
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WORD ORIGIN
early 19th cent.: from French appréciable , from apprécier , from late Latin appretiare set at a price, appraise, from ad- to + pretium price.