non-provenadj.

Brit.

/nɒnˈpruːvn/, U.S.

/nɑnˈpruvn/

Origin: Formed within English, by derivation. Etymons: non- prefix, proven adj.

Etymology: < non- prefix + proven adj.

Not proven.

ΘΚΠ

the mind > mental capacity > belief > uncertainty, doubt, hesitation > insecure knowledge, uncertainty > questionable state or quality > state of being unprovable > [adjective] > unproved

unproved1478

untried1526

uncontrolled1529

unproven1563

unapproved1597

proofless1610

undemonstrated1648

unverified1816

untested1828

non-proven1847

1847 F. A. Kemble Rec. Later Life III. 242 The main question of progress..was non-proven.

1871 Amer. Naturalist 5 59 The presence..of man in Europe in the Miocene and Pliocene epoch is as yet non-proven.

1896 T. C. Allbutt et al. Syst. Med. I. 110 It is quite possible—but ‘non-proven’—that the muscular coats of the small arteries are likewise capable of self-regulation.

1925 New Phytologist 24 309 If Parkin can show that..the internal concentration of..invert sugar is the same as the internal concentration of cane sugar, then he will have strong support for his theory, but until then, it is ‘non-proven.’

1950 Economica 17 408 Each estimate has behind it a somewhat different set of ‘non-proven’ assumptions.

1993 Science 259 1807 High voltage lines, a nonproven risk, are being put underground or detoured miles around cities.

This entry has been updated (OED Third Edition, December 2003; most recently modified version published online March 2022).

单词	non-proven
释义	non-provenadj. Brit. /nɒnˈpruːvn/, U.S. /nɑnˈpruvn/ Origin: Formed within English, by derivation. Etymons: non- prefix, proven adj. Etymology: < non- prefix + proven adj. Not proven. ΘΚΠ the mind > mental capacity > belief > uncertainty, doubt, hesitation > insecure knowledge, uncertainty > questionable state or quality > state of being unprovable > [adjective] > unproved unproved1478 untried1526 uncontrolled1529 unproven1563 unapproved1597 proofless1610 undemonstrated1648 unverified1816 untested1828 non-proven1847 1847 F. A. Kemble Rec. Later Life III. 242 The main question of progress..was non-proven. 1871 Amer. Naturalist 5 59 The presence..of man in Europe in the Miocene and Pliocene epoch is as yet non-proven. 1896 T. C. Allbutt et al. Syst. Med. I. 110 It is quite possible—but ‘non-proven’—that the muscular coats of the small arteries are likewise capable of self-regulation. 1925 New Phytologist 24 309 If Parkin can show that..the internal concentration of..invert sugar is the same as the internal concentration of cane sugar, then he will have strong support for his theory, but until then, it is ‘non-proven.’ 1950 Economica 17 408 Each estimate has behind it a somewhat different set of ‘non-proven’ assumptions. 1993 Science 259 1807 High voltage lines, a nonproven risk, are being put underground or detoured miles around cities. This entry has been updated (OED Third Edition, December 2003; most recently modified version published online March 2022). < adj.1847
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