optimalityn.

Brit.

/ˌɒptᵻˈmalᵻti/, U.S.

/ˌɑptəˈmælədi/

Origin: Formed within English, by derivation. Etymons: optimal adj., -ity suffix.

Etymology: < optimal adj. + -ity suffix.

The state or property of being optimal.

ΘΚΠ

the mind > goodness and badness > quality of being good > quality of being the best > [noun] > for end result

optimism1795

optimality1944

optimum1955

1944 J. Von Neumann & O. Morgenstern Theory of Games iii. 162 (heading) Mistakes and their consequences. Permanent optimality.

1961 W. J. Baumol Econ. Theory & Operations Anal. ix. 184 Our condition..is a geometric representation of the following basic optimality rule.

1971 Nature 31 Dec. 527/2 Jardine and Sibson showed that the single-link method is the only hierarchic cluster method which satisfies certain invariance and optimality conditions.

2000 Econ. & Philos. 16 121 Both Friedman and Winter agree upon distinguishing optimization from optimality.

This entry has been updated (OED Third Edition, June 2004; most recently modified version published online March 2022).

单词	optimality
释义	optimalityn. Brit. /ˌɒptᵻˈmalᵻti/, U.S. /ˌɑptəˈmælədi/ Origin: Formed within English, by derivation. Etymons: optimal adj., -ity suffix. Etymology: < optimal adj. + -ity suffix. The state or property of being optimal. ΘΚΠ the mind > goodness and badness > quality of being good > quality of being the best > [noun] > for end result optimism1795 optimality1944 optimum1955 1944 J. Von Neumann & O. Morgenstern Theory of Games iii. 162 (heading) Mistakes and their consequences. Permanent optimality. 1961 W. J. Baumol Econ. Theory & Operations Anal. ix. 184 Our condition..is a geometric representation of the following basic optimality rule. 1971 Nature 31 Dec. 527/2 Jardine and Sibson showed that the single-link method is the only hierarchic cluster method which satisfies certain invariance and optimality conditions. 2000 Econ. & Philos. 16 121 Both Friedman and Winter agree upon distinguishing optimization from optimality. This entry has been updated (OED Third Edition, June 2004; most recently modified version published online March 2022). < n.1944
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