| 单词 | oil-harden |
| 释义 | oil-harden[ oil-hahr-dn ] / ˈɔɪlˌhɑr dn / verb (used with object) Metallurgy.to quench (steel) in a bath of oil. Compare water-harden. Origin of oil-hardenFirst recorded in 1900–05 Words nearby oil-hardenoilfired, oilfish, oilgas, oil gilding, oil gland, oil-harden, oil hardening, oil-immersion objective, oillet, oillionaire, oilman Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |
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