cold blastn.

Etymology: see blast n.¹ 4b.

A blast of cold air forced into a furnace. Also attributive, and short for cold-blast furnace, cold-blast process, etc.

ΘΚΠ

the world > matter > gas > air > moving air > [noun] > a movement of air > a blast or puff of air > artificially produced > strong, as used in smelting, etc.

blast1697

cold blast1835

1835 Mechanics' Mag. 23 341 (heading) Coal employed in the crude state in the Welsh Iron Works. Cold Blast.

1837 Mechanics' Mag. 28 Jan. 316/2 The holders of metal manufactured by the cold-blast, now regularly demand 20s per ton extra for it.

1873 A. Ure Dict. Arts II. 956 The superior power of a hot over a cold blast in fusing refractory lumps of cast iron was accidentally observed by Mr. J. B. Neilson..about the year 1827.

1873 A. Ure Dict. Arts II. 963 The density of cold-blast iron is less than that of hot.

This entry has not yet been fully updated (first published 1891; most recently modified version published online September 2018).

cold blast n.

ΚΠ

1881 Trans. Amer. Inst. Mining Engineers 1880–1 9 121 Cold blast, air forced into a furnace without being previously heated.

1890 Daily News 6 Jan. 2/3 Best Staffordshire hot-blast pigs are 90s., and cold-blast 110s. to 115s.

单词	cold blast
释义	cold blastn. Etymology: see blast n.¹ 4b. A blast of cold air forced into a furnace. Also attributive, and short for cold-blast furnace, cold-blast process, etc. ΘΚΠ the world > matter > gas > air > moving air > [noun] > a movement of air > a blast or puff of air > artificially produced > strong, as used in smelting, etc. blast1697 cold blast1835 1835 Mechanics' Mag. 23 341 (heading) Coal employed in the crude state in the Welsh Iron Works. Cold Blast. 1837 Mechanics' Mag. 28 Jan. 316/2 The holders of metal manufactured by the cold-blast, now regularly demand 20s per ton extra for it. 1873 A. Ure Dict. Arts II. 956 The superior power of a hot over a cold blast in fusing refractory lumps of cast iron was accidentally observed by Mr. J. B. Neilson..about the year 1827. 1873 A. Ure Dict. Arts II. 963 The density of cold-blast iron is less than that of hot. This entry has not yet been fully updated (first published 1891; most recently modified version published online September 2018). > as lemmas cold blast cold blast n. ΚΠ 1881 Trans. Amer. Inst. Mining Engineers 1880–1 9 121 Cold blast, air forced into a furnace without being previously heated. 1890 Daily News 6 Jan. 2/3 Best Staffordshire hot-blast pigs are 90s., and cold-blast 110s. to 115s. extracted from coldadj. < n.1835 as lemmas
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cold blastn.

> as lemmas