| 释义 |
ˈway-board Mining.
Also weigh-.
[app. f. way n.1 + board n. (cf. sense 16).]
(See quot. 1859.)
α1747Hooson Miner's Dict. L 3, These Leaps never happen but at some Way-board, or large Bed-joynt. 1818W. Phillips Geol. 137 The limestone strata contain thin beds of clay, termed by the miner way-boards. 1859Page Handbk. Geol. Terms, Wayboards, a mining term, now pretty generally employed by geologists to designate any thin layers or bands that separate or define the boundaries of thicker strata.
β1802J. Mawe Mineral. Derbysh. Gloss. (E.D.S.), Weighboard, clay intersecting the vein. 1860Worcester. 1864Webster. (And in later Dicts.) |