| 单词 | test-bottom |
| 释义 | > as lemmastest-bottom test-bottom n. = sense 1; also, the cake of gold or silver formed in the bottom of a cupel. ΘΚΠ society > occupation and work > equipment > furnace or kiln > furnace > parts of furnace > [noun] > hearth or floor of furnace > movable test1555 test-bottom1853 cupel1862 society > occupation and work > materials > derived or manufactured material > metal > precious metal > [noun] > gold or silver > cake of at bottom of cupel test-bottom1853 1853Test-bottom [see sense 1]. 1871 Proc. Amer. Philos. Soc. 1869–70 11 92 A cake or test-bottom [of silver]... Its weight was 4343 ounces Troy. < as lemmas |
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