单词 | shale-tar |
释义 | > as lemmasshale-tar shale-tar n. tar derived from bituminous shale. ΘΚΠ society > occupation and work > materials > derived or manufactured material > processed resinous materials > [noun] > tar > types of coal tar1785 roany1805 shale-tar1857 daggett1861 Stockholm tar1867 1857 W. A. Miller Elements Chem. III. ix. 580 Shale tar is particularly rich in basic substances. < as lemmas |
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