crucial experiment

crucial experiment
An experiment held to decide with certainty between two rival hypotheses about some matter. Famous examples include Eddington's observation of the bend-ing of light rays by the sun during the eclipse of 1919, held to decisively uphold general relativity against Newtonian mechanics, or the observation of weight gain during combustion, held to decide for the theory that combustion is oxidation and against the view that it consists in loss of phlogiston. In practice experiments require a great deal of scene-setting and agreement on what would count as an ad hoc hypothesis before they play such a decisive role, so that rational disagreement on whether one or another rival is really refuted is both possible in theory and often found in practice.

Philosophy dictionary. . 2011.

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  • crucial experiment — an experiment so designed and so prepared for by previous work that it will definitely settle some point …   Medical dictionary

  • crucial — crucial, iale, iaux [ krysjal, jo ] adj. • 1560; du lat. crux, crucis→ croix 1 ♦ Didact. Fait en croix. Incision cruciale. 2 ♦ (du lat. experimentum crucis, de F. Bacon, « expérience de la croix », par allus. aux poteaux indicateurs des… …   Encyclopédie Universelle

  • crucial — [ kru:ʃ(ə)l] adjective 1》 decisive or critical, especially in the success or failure of something. 2》 informal excellent. Derivatives cruciality ʃɪ alɪti noun crucially adverb Word History The word crucial entered English in the 18th …   English new terms dictionary

  • crucial — cruciality /krooh shee al i tee, krooh shal /, n. crucially, adv. /krooh sheuhl/, adj. 1. involving an extremely important decision or result; decisive; critical: a crucial experiment. 2. severe; trying. 3. of the form of a cross; cross shaped.… …   Universalium

  • crucial — cru•cial [[t]ˈkru ʃəl[/t]] adj. 1) of vital or critical importance, esp. with regard to a decision or result: a crucial experiment[/ex] 2) archaic shaped like a cross; cruciform • Etymology: 1700–10; < L cruci , s. of crux cross+ al I cru… …   From formal English to slang

  • crucial — /ˈkruʃəl / (say kroohshuhl) adjective 1. involving a final and supreme decision; decisive; critical: a crucial experiment. 2. severe; trying. 3. of the form of a cross; cross shaped. {cruci (from Latin, combining form of crux cross) + al1}… …  

  • Experiment — (Roget s Thesaurus) < N PARAG:Experiment >N GRP: N 1 Sgm: N 1 experiment experiment Sgm: N 1 essay essay &c.(attempt) 675 Sgm: N 1 analysis analysis &c.(investigation) 461 Sgm: N 1 trial trial tentative method tΔtonnement …   English dictionary for students

  • check experiment — crucial e …   Medical dictionary

  • Popper's experiment — is an experiment proposed by the 20th century philosopher of science Karl Popper, to test the standard interpretation (the Copenhagen interpretation) of Quantum mechanics.cite book last = Popper first = Karl authorlink = Karl Popper title =… …   Wikipedia

  • Blind experiment — A blind or blinded experiment is a scientific experiment where some of the people involved are prevented from knowing certain information that might lead to conscious or subconscious bias on their part, invalidating the results. For example, when …   Wikipedia

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