03852280-n 'an instrument designed to aid vision';
 
Czech optický přístroj
汉语 光学 仪器 , 光学仪器
英语 optical instrument
Definitions
日语
視力を増強するために考案された器具
英语
an instrument designed to aid vision
Relations
Hyponym: jeweler's_glass spectacles periscope sights spectroscope binoculars projector esophagoscope
Hypernym: instrument
Meronym–Part: lens
Semantic Field: artifactn
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Maintainer: Francis Bond <bond@ieee.org>