单词 | halfbloom |
释义 | > as lemmashalf-bloom half-bloom n. Metallurgy (now historical) a thick square or mass of iron resulting from the first cycle of a process of refinement in which pig iron is heated and hammered to force out impurities; (later also) refined iron taken from the puddling furnace and then shingled or hammered.Sometimes called bloom (cf. bloom n.2 1). Π 1678 Philos. Trans. 1677 (Royal Soc.) 12 934 The Metal runs together into a round Mass or Lump, which they call a Half-Bloom. 1824 Mechanic's Mag. 21 Aug. 383/1 The finer was drawing an ancony from the half-bloom or billet. 2002 Hist. Metall. 36 126/1 The half-bloom was heated for forging in a modern cast-iron bottom-blast blacksmith's hearth. half-bloom ΚΠ 1678 Philos. Trans. 1677 (Royal Soc.) 12 934 The Metal runs together into a round Mass or Lump, which they call a Half-Bloom. < as lemmas |
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