optical device 1
noundomain: artefact
Princeton WordNet [ver.3.1]
'%3e%3cpath%20d='M0,0%20v30%20h60%20v-30%20z'%20fill='%23012169'/%3e%3cpath%20d='M0,0%20L60,30%20M60,0%20L0,30'%20stroke='%23fff'%20stroke-width='6'/%3e%3cpath%20d='M0,0%20L60,30%20M60,0%20L0,30'%20clip-path='url(%23t)'%20stroke='%23C8102E'%20stroke-width='4'/%3e%3cpath%20d='M30,0%20v30%20M0,15%20h60'%20stroke='%23fff'%20stroke-width='10'/%3e%3cpath%20d='M30,0%20v30%20M0,15%20h60'%20stroke='%23C8102E'%20stroke-width='6'/%3e%3c/g%3e%3c/svg%3e)
EnglishDefinition
a device for producing or controlling light
Hypernym
device 1
noun
an instrumentality invented for a particular purpose
EnglishHyponym
autofocus 1
noun
an optical device for focussing a camera or other instrument automatically
biprism 1
noun
an optical device for obtaining interference fringes
camera lucida 1
noun
an optical device consisting of an attachment that enables an observer to view simultaneously the image and a drawing surface for sketching it
coelostat 1
noun
optical device used to follow the path of a celestial body and reflect its light into a telescope; has a movable and a fixed mirror
collimator 2
noun
optical device consisting of a tube containing a convex achromatic lens at one end and a slit at the other with the slit at the focus of the lens; light rays leave the slit as a parallel beam
