释义 |
lü·ders' line noun also lue·ders' line \ˈlü]də(r)z-, ˈlē]\ Usage: usually capitalized 1st L Etymology: after W. Lüders fl1859 German scientist, its discoverer : a line or any of a definite system of line markings appearing on the smooth surface of tough material (as metal) strained beyond its elastic limit and caused by flow of the material |