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单词 precool
释义

precoolv.

Brit. /priːˈkuːl/, U.S. /priˈkul/
Origin: Formed within English, by derivation. Etymons: pre- prefix, cool v.1
Etymology: < pre- prefix + cool v.1 Compare slightly earlier pre-cooler n.
transitive. To cool prior to some further treatment or process; to cool prior to use.
ΘΚΠ
society > occupation and work > industry > manufacturing processes > perform general or industrial manufacturing processes [verb (transitive)] > preprocess > types of preliminary process
preheat1862
precool1907
premix1917
precast1919
pre-cut1945
pre-impregnate1951
pre-score1957
prepreg1964
precure1973
1907 [see pre-cooling n. at Derivatives].
1910 Nebraska State Jrnl. 10 Nov. 12/1 He will recommend that the apples instead of being picked from the trees and rushed to the cars, be placed in these storage houses where they will be precooled.
1936 Discovery Apr. 104/1 The compressed helium is first pre-cooled by liquid nitrogen.
1947 Ice & Refrigeration Nov. 33/2 Hydro-coolers are used commercially today to pre-cool celery, asparagus, peas,..and carrots.
1989 Hydrocarbon Processing Nov. 107/2 The reactor effluent containing PA [= phthalic anhydride] vapors is precooled in a heat exchanger..generating steam.

Derivatives

pre-ˈcooled adj.
ΘΚΠ
society > occupation and work > materials > derived or manufactured material > materials having undergone process > [adjective] > heated or cooled
preheated1863
pre-cooled1910
the world > matter > properties of materials > temperature > coldness > [adjective] > made cold or cool > in advance
pre-cooled1910
1910 Nebraska State Jrnl. 10 Nov. 12/1 It has been found that these precooled apples keep better.
1987 M. Monk Mammalian Devel. (BNC) 79 Make preparations by dropping suspension from a Pasteur pipette on clean pre-cooled slides and gently dry over a low gas flame.
pre-ˈcooling n.
ΘΚΠ
society > occupation and work > industry > manufacturing processes > [noun] > processing > types of preliminary processing
grounding1466
roughing1743
preheating1898
pre-cooling1907
presoak1919
presoaking1919
premixing1927
prestress1934
pre-tension1936
pre-impregnation1937
pre-cutting1939
preloading1941
the world > matter > properties of materials > temperature > coldness > [noun] > becoming or making cold > in advance
pre-cooling1907
1907 Daily Northwestern (Oshkosh, Wisconsin) 6 Aug. 4/5 The advantages of pre-cooling are very decided, and they touch the fruit farmer right in his pocket book.
1997 Internat. Jrnl. Plant Sci. 158 288/2 Precooling had no appreciable effect on the germination of A. chamaepitys or A. iva nutlets.
This entry has been updated (OED Third Edition, March 2007; most recently modified version published online March 2022).
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