s, a, o, e, l, p, c, t, i are letters that make 'optical telescope'
cope, el, telescope, scope, pe, ti, te, SC, IC, opt, Sc, tical, EL, ic, optical, optic, AL, CA, CO, cop, LE, tic, Al, Ca, Co, Es, Pt, Te, Ti are words within 'optical telescope'
1 possible definitions for 'optical telescope'
Under this definition, optical telescope is a noun and has the following properties:
'optical telescope' can be a type of astronomical telescope.
reflecting telescope, reflector, refracting telescope are types of 'optical telescope'.
objective lens, object lens, object glass, ocular, eyepiece, objective are parts of 'optical telescope'.