单词 | burning-lens |
释义 | > as lemmasburning-lens burning-lens n. ΘΚΠ the world > physical sensation > sight and vision > optical instruments > lens > [noun] > burning glass burning-glass1570 sunglass1591 sunglass1801 burning-lens1831 society > occupation and work > materials > fuel > material for igniting > [noun] > other means of ignition burning-glass1570 sunglass1591 salamander1698 fire bottle1708 fireworks1743 sunglass1801 eupyrion1827 burning-lens1831 1831 D. Brewster Treat. Optics xxxviii. §164 By means of this powerful burning lens platina..quartz, garnet..were melted in a few seconds. < as lemmas |
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