| 单词 | catoptrics |
| 释义 | catoptrics —catoptric, catoptrical, adj. —catoptrically, adv. /keuh top"triks/, n. (used with a sing. v.) the branch of optics dealing with the formation of images by mirrors. [1560-70; < Gk katoptrikós, equiv. to kátoptr(on) mirror (kat- CAT- + op- see + -tron suffix of instruments) + -ikos -IC; see -ICS] |
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