subcoolingn.

Brit.

/ˌsʌbˈkuːlɪŋ/, U.S.

/ˌsəbˈkulɪŋ/

Origin: Formed within English, by derivation. Etymons: sub- prefix, cooling n.

Etymology: < sub- prefix + cooling n. Compare later subcool v.

Physics.

The action or process of cooling a liquid below its freezing point without solidification or a vapour below its boiling point (cf. subcool v.); the extent of this.

ΚΠ

1897 E. H. Hall Text-bk. Physics (rev. ed.) xxiv. 391 (heading) Sub-cooling and sudden freezing of water.

1903 A. J. Ewart tr. W. Pfeffer Physiol. Plants II. x. 233 Ice-formation takes place only after sub-cooling to −3 or −4°C.

1990 Chem. Engin. 97 i. 152/3 The subcooling required is considerable, and pressure-compensation characteristics vary among the models.

2002 B. C. Langley Fine Tuning Air Conditioning & Refrigeration Syst. v. 45 The condenser also provides the much needed subcooling of the liquid refrigerant.

This is a new entry (OED Third Edition, June 2012; most recently modified version published online March 2022).

单词	subcooling
释义	subcoolingn. Brit. /ˌsʌbˈkuːlɪŋ/, U.S. /ˌsəbˈkulɪŋ/ Origin: Formed within English, by derivation. Etymons: sub- prefix, cooling n. Etymology: < sub- prefix + cooling n. Compare later subcool v. Physics. The action or process of cooling a liquid below its freezing point without solidification or a vapour below its boiling point (cf. subcool v.); the extent of this. ΚΠ 1897 E. H. Hall Text-bk. Physics (rev. ed.) xxiv. 391 (heading) Sub-cooling and sudden freezing of water. 1903 A. J. Ewart tr. W. Pfeffer Physiol. Plants II. x. 233 Ice-formation takes place only after sub-cooling to −3 or −4°C. 1990 Chem. Engin. 97 i. 152/3 The subcooling required is considerable, and pressure-compensation characteristics vary among the models. 2002 B. C. Langley Fine Tuning Air Conditioning & Refrigeration Syst. v. 45 The condenser also provides the much needed subcooling of the liquid refrigerant. This is a new entry (OED Third Edition, June 2012; most recently modified version published online March 2022). < n.1897
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