A kind of resin (see resin, n. 1a); (in later use) spec. a solid form obtained as a residue after the distillation of oil of turpentine from crude…
| 单词 | θ216901 | 
| 释义 | society > occupation and work > materials > derived or manufactured material > processed resinous materials > 			[noun]		 (56)		 rosina1393 A kind of resin (see resin, n. 1a); (in later use) spec. a solid form obtained as a residue after the distillation of oil of turpentine from crude… roseta1774 Rosin, esp. rubbed on a violin bow or a shoemaker's thread. resinoid1811 A naturally occurring resinous or resin-like substance; spec. (a) one extracted from a plant by means of an organic solvent, frequently for use in… Subcategories:— 			a particular kind of			(1)		 — 			resinous precipitate or extract			(5)		 — 			derived from plants			(6)		 — 			derived from fossil pine-wood			(2)		 — 			distilled from turpentine			(4)		 — 			shellac			(2)		 — 			derived from brown coal			(2)		 — 			bitumen-based compositions			(11)		 — 			tar			(15)		 — 			pitch			(4)		 — 			process of becoming resinous			(1)		  | 
	
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