| 单词 | episcotister |
| 释义 | episcotister /euh pis"keuh tis'teuhr, ep'i skeuh tis"teuhr/, n. a disk with a sector removed that when rotated in front of a light source allows the periodic passage of flashes of light: used in studying the motion of a body. Also, episkotister. [1900-05; < Gk episkot(ízein) to overshadow (see EPI-, SCOTIA, -IZE) + -IST + -ER1] |
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