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单词 demonstrational
释义

demonstrationaladj.

Brit. /ˌdɛmənˈstreɪʃn̩(ə)l/, /ˌdɛmənˈstreɪʃən(ə)l/, U.S. /ˌdɛmənˈstreɪʃ(ə)nəl/
Origin: Formed within English, by derivation. Etymons: demonstration n., -al suffix1.
Etymology: < demonstration n. + -al suffix1.
Of or relating to demonstration (in various senses); (also) providing demonstration.
ΘΚΠ
the mind > attention and judgement > testing > proof, demonstration > [adjective]
demonstrativec1405
showablea1500
declarativea1536
showing1552
probatory1593
convictive1634
verifying1634
evincing1641
demonstrating1648
endeictic1656
probative1678
substantiative1794
proving1824
demonstrational1833
verificatory1834
verificative1860
1833 H. O'Brien Let. in Round Towers Ireland (1834) p. xxii The most interestingly comprehensive chain of demonstrational proofs in the whole circle of universal literature.
1866 Pall Mall Gaz. 1 Dec. 13 A leaning to the demonstrational view both of literature and oratory.
1886 E. Gurney et al. Phantasms of Living II. 3 [It] connects the sleeping and the waking phenomena in their theoretic and psychological aspects, it..separates them in their demonstrational aspect.
1946 A. Eaton & L. Crile Rural Handicrafts in U.S. ii. 35 Provision of designs or patterns, demonstrational and illustrative material, and models was suggested by 1 out of 10.
1964 Perspectives New Music 2 168/2 Like the other lecturers, Berio employed his own works for demonstrational purposes.
2007 V. De Risi Geom. & Methodol. i. 18 Leibniz..was decidedly against any suggestion to simplify the proofs of the Elements through a less than thorough attention to their demonstrational passages.
This entry has been updated (OED Third Edition, March 2014; most recently modified version published online March 2022).
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adj.1833
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