demonstrable

[dih-mon-struh-buh l, dem-uh n-]
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Origin of demonstrable

1350–1400; Middle English < Old French < Late Latin dēmonstrābilis, equivalent to Latin dēmonstrā(re) (see demonstrate) + -bilis -ble
Related formsde·mon·stra·bil·i·ty, de·mon·stra·ble·ness, nounde·mon·stra·bly, adverbnon·de·mon·stra·bil·i·ty, nounnon·de·mon·stra·ble, adjectivenon·de·mon·stra·ble·ness, nounnon·de·mon·stra·bly, adverbun·de·mon·stra·ble, adjectiveun·de·mon·stra·ble·ness, nounun·de·mon·stra·bly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018


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British Dictionary definitions for demonstrable

demonstrable

adjective
  1. able to be demonstrated or proved
Derived Formsdemonstrability or demonstrableness, noundemonstrably (ˈdɛmənstrəblɪ, dɪˈmɒn-), adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for demonstrable
adj.

c.1400, from Latin demonstrabilis, from demonstrare (see demonstration). Related: Demonstrably.

Online Etymology Dictionary, © 2010 Douglas Harper