单词	camera lucida
释义	camera lucida noun cam·​era lu·​ci·​da ˈkam-rə-ˈlü-sə-də  ˈka-mə-rə- : an instrument that by means of a prism or mirrors and often a microscope causes a virtual image of an object to appear as if projected upon a plane surface so that an outline may be traced Word History Etymology New Latin, literally, light chamber First Known Use 1807, in the meaning defined above Medical Definition camera lucida noun cam·​era lu·​ci·​da ˌkam-(ə-)rə-ˈlü-səd-ə  : an instrument that by means of a prism or mirrors and often a microscope causes a virtual image of an object to appear as if projected upon a plane surface so that an outline may be traced
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