subcooledadj.

Brit.

/ˌsʌbˈkuːld/, U.S.

/ˌsəbˈkuld/

Origin: Formed within English, by derivation. Etymons: sub- prefix, cooled adj.

Etymology: < sub- prefix + cooled adj. Compare later subcool v.

Physics.

1. Of a liquid: cooled below its freezing point without solidifying. Cf. subcool v. 1, supercooled adj. 2a.

ΚΠ

1886 Minutes Proc. Inst. Civil Engineers 87 576 The analogous case of the existence of solid ice in water at 0° C., and of sub-cooled water or liquid ice between that temperature and −10° C. is instanced.

1903 A. J. Ewart tr. W. Pfeffer Physiol. Plants II. x. 243 Whether the ice formed outside the cells excites the solidification of the sub-cooled cell-sap is..uncertain.

1975 Jrnl. Res. Nat. Bureau Standards No. 6. 671 The nucleation constants that describe the rate of growth of polyethylene crystals from the subcooled melt as a function of undercooling and molecular weight are determined.

1989 Weatherwise Dec. 315/3 Those on the ridge had been exposed to clouds of subcooled water droplets driven against them by a south wind.

2. Of a vapour or its liquid condensate: cooled to a temperature substantially below its boiling point at the prevailing pressure. Cf. subcool v. 2.

ΚΠ

1949 Industr. & Engin. Chem. 41 1950/2 Local boiling is a two-step process, involving generation of vapor bubbles on the surface of the heater followed by condensation in subcooled liquid.

1966 Chem. Engin. Progress July 89/1 The use of narrow strip heaters in subcooled pool boiling limits the maximum size to which bubbles may grow.

1980 Trans. Amer. Nucl. Soc. 35 432 The reactor vessel can, analogically, be visualized as a water tube boiler where subcooled pressurized coolant recirculated through the fuel core surrounds the feedwater tubes.

1997 Professional Safety (Nexis) May 34 Condensate-induced water hammer..can also occur when large quantities of sub-cooled condensate are rapidly introduced into a steam-filled section of piping.

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

单词	subcooled
释义	subcooledadj. Brit. /ˌsʌbˈkuːld/, U.S. /ˌsəbˈkuld/ Origin: Formed within English, by derivation. Etymons: sub- prefix, cooled adj. Etymology: < sub- prefix + cooled adj. Compare later subcool v. Physics. 1. Of a liquid: cooled below its freezing point without solidifying. Cf. subcool v. 1, supercooled adj. 2a. ΚΠ 1886 Minutes Proc. Inst. Civil Engineers 87 576 The analogous case of the existence of solid ice in water at 0° C., and of sub-cooled water or liquid ice between that temperature and −10° C. is instanced. 1903 A. J. Ewart tr. W. Pfeffer Physiol. Plants II. x. 243 Whether the ice formed outside the cells excites the solidification of the sub-cooled cell-sap is..uncertain. 1975 Jrnl. Res. Nat. Bureau Standards No. 6. 671 The nucleation constants that describe the rate of growth of polyethylene crystals from the subcooled melt as a function of undercooling and molecular weight are determined. 1989 Weatherwise Dec. 315/3 Those on the ridge had been exposed to clouds of subcooled water droplets driven against them by a south wind. 2. Of a vapour or its liquid condensate: cooled to a temperature substantially below its boiling point at the prevailing pressure. Cf. subcool v. 2. ΚΠ 1949 Industr. & Engin. Chem. 41 1950/2 Local boiling is a two-step process, involving generation of vapor bubbles on the surface of the heater followed by condensation in subcooled liquid. 1966 Chem. Engin. Progress July 89/1 The use of narrow strip heaters in subcooled pool boiling limits the maximum size to which bubbles may grow. 1980 Trans. Amer. Nucl. Soc. 35 432 The reactor vessel can, analogically, be visualized as a water tube boiler where subcooled pressurized coolant recirculated through the fuel core surrounds the feedwater tubes. 1997 Professional Safety (Nexis) May 34 Condensate-induced water hammer..can also occur when large quantities of sub-cooled condensate are rapidly introduced into a steam-filled section of piping. This is a new entry (OED Third Edition, June 2012; most recently modified version published online March 2022). < adj.1886
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