over-hardenedadj.

Brit.

/ˌəʊvəˈhɑːdnd/, U.S.

/ˌoʊvərˈhɑrd(ə)nd/

Forms: see over- prefix and hardened adj.

Origin: Formed within English, by derivation. Etymons: over- prefix, hardened adj.

Etymology: < over- prefix + hardened adj. Compare earlier overhard adj.

That has been hardened too much; excessively hardened.

ΘΚΠ

the world > matter > constitution of matter > hardness > [adjective] > hardened

yharded1297

hardeneda1425

hardedc1425

starkeda1500

enharded1523

indurate1531

stonied1590

over-hardened1612

obdured1619

immarbled1641

stockfished1654

obdurate1743

hard-set?1781

1612 J. Webster White Divel sig. H4 Instruction to thee Comes like sweet shewers to ouer-hardned ground: They wet, but peirce not deepe.

a1691 R. Boyle Wks. (1772) I. 439 It was brittle like over-hardened steel.

1892 New Eng. Mag. Aug. 762/1 My hostess told a story..of a couple of not over-hardened gamesters.

1968 A. Etzioni Active Soc. ix. 203 Products made for outer space or war conditions are overhardened and unnecessarily precise for the living room or swimming pool.

2001 Manuf. Engin. (Nexis) Apr. 88 Hard turning can influence the workpiece surface microstructure by generating undesirable residual stress patterns and overhardened surface zones, known as white layers.

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

单词	over-hardened
释义	over-hardenedadj. Brit. /ˌəʊvəˈhɑːdnd/, U.S. /ˌoʊvərˈhɑrd(ə)nd/ Forms: see over- prefix and hardened adj. Origin: Formed within English, by derivation. Etymons: over- prefix, hardened adj. Etymology: < over- prefix + hardened adj. Compare earlier overhard adj. That has been hardened too much; excessively hardened. ΘΚΠ the world > matter > constitution of matter > hardness > [adjective] > hardened yharded1297 hardeneda1425 hardedc1425 starkeda1500 enharded1523 indurate1531 stonied1590 over-hardened1612 obdured1619 immarbled1641 stockfished1654 obdurate1743 hard-set?1781 1612 J. Webster White Divel sig. H4 Instruction to thee Comes like sweet shewers to ouer-hardned ground: They wet, but peirce not deepe. a1691 R. Boyle Wks. (1772) I. 439 It was brittle like over-hardened steel. 1892 New Eng. Mag. Aug. 762/1 My hostess told a story..of a couple of not over-hardened gamesters. 1968 A. Etzioni Active Soc. ix. 203 Products made for outer space or war conditions are overhardened and unnecessarily precise for the living room or swimming pool. 2001 Manuf. Engin. (Nexis) Apr. 88 Hard turning can influence the workpiece surface microstructure by generating undesirable residual stress patterns and overhardened surface zones, known as white layers. This entry has been updated (OED Third Edition, December 2004; most recently modified version published online March 2022). < adj.1612
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