| 单词 | feather joint | 
| 释义 | feather joint [`feth·ǝr ´jȯint]  ENGINEERING A joint made by cutting a mating groove in each of the pieces to be joined and inserting a feather in the opening formed when the pieces are butted together. Also known as ploughed-and-tongued joint.  GEOLOGY One of a series of joints in a fault zone formed by shear and tension. Also known as pinnate joint.  | 
	
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