a rupture produced in a casting or ingot as the metal cools and contracts.
| 单词 | θ216288 | 
| 释义 | society > occupation and work > materials > derived or manufactured material > metal > qualities of metals > 			[noun]		 > imperfections > ruptures in casting (2)		 hot tear1933 a rupture produced in a casting or ingot as the metal cools and contracts. hot tearing1945 the formation or occurrence of hot tears. | 
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