a, o, d, e, l, p, c, t, i, v are letters that make 'optical device'
ice, ICE, vice, ti, IC, opt, tical, Devi, vi, ic, optical, optic, CE, device, eV, VI, AL, CA, DE, tic, Al, Ca, Ce, Pt, Ti are words within 'optical device'
1 possible definitions for 'optical device'
Under this definition, optical device is a noun and has the following properties:
'optical device' can be a type of device.
autofocus, biprism, camera lucida, diffraction grating, diffuser, diffusor, finder, viewfinder, view finder, optical maser, lens, lense, lens system, Nicol prism, prism, optical prism, projector, Wollaston prism, stereoscope, viewer, coelostat, collimator, Kerr cell, laser, polarimeter, polariscope, planetarium, Rochon prism, grating are types of 'optical device'.