| 释义 |
ratchel techn. or dial.|ˈrætʃɪl|
Forms: 8–9 ra(t)chill, 9 ratchil, -el(l.
[Of obscure etym.]
1. Fragments of loose shivery stone lying above the firm rock.
1747Hooson Miner's Dict. I iv b, Under the Rachill..where it is the most gankey, the chief Leader may be found. 1799Kirwan Geol. Ess. 297 Decaying porphyry, which the miners call rotten stone;..fragments of stone they call ratchill. 1811Farey in Hunt Mining (1884) 233 In many instances in alluvial mixtures the stones are..like the chippings of a stonemason's yard, and called Ratchel, Rumel, Keale, Skerry, or Rubble. 1884R. Hunt Brit. Mining 912 Rachill, small loose stones that are usually found on the top of the rock forming as the depth increased into the nature of beds. 1888in Sheffield Gloss.
2. (See quots.)
1807J. Headrick Arran 250 Wacken Porphyry. Glomellaria. Scottish: Ratchell. 1808Jamieson, Ratchel, a hard rocky crust below the soil; pan, till. 1865J. T. F. Turner Slate Quarries 23 There are occasionally found, running east and west, walls of hardah, called ‘ratchels’. |