| 单词 | lack-clay |
| 释义 | > as lemmaslack-clay A hard subsoil of clay or gravel. Also attributive, as lack-clay; leck-stone n. a granular variety of trap rock used in some parts of Scotland for the slabs of ovens. ΚΠ 1780 A. Young Tour Ireland i. 199 Immediately under the moor, is a thin stratum of what they call lack-clay, which is like baked clay, the thickness of a tile. 1813 R. Kerr Agric. Surv. Berwick 41 A half lapidified tough and compact clay, called leck by the quarriers. 1856 D. Page Adv. Text-bk. Geol. vii. 126 Before the improved manufacture of fire-bricks, some open-textured varieties [of greenstone], known as ‘leck-stones’, were largely used for the linings and soles of ovens. 1899 E. W. Prevost Dickinson's Gloss. Words & Phrases Cumberland (new ed.) Leck, a hard subsoil of clay and gravel. < as lemmas |
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