Synonyms to concertina

telescope, Cassegrainian telescope, Newtonian telescope, OAO, OSO, abbreviate, abridge, abstract, astronomical observatory, astronomical telescope, binoculars, bob, boil down, capsulize, clip, coelostat, compress, condense, contract, coronagraph, coronograph, crop, crush, curtail, cut, cut back, cut down, cut off short, cut short, digest, dock, elide, epitomize, field glass, foreshorten, glass, heliostat, mow, nip, observatory, opera glasses, orrery, planetarium, poll, pollard, precis, prune, radar telescope, radio observatory, radio telescope, reap, recap, recapitulate, reduce, reflector, refractor, retrench, scope, shave, shear, shorten, snub, spectrograph, spectroheliograph, spectrohelioscope, spectroscope, spy glass, spyglass, squash, stunt, sum up, summarize, synopsize, take in, terrestrial telescope, trim, truncate, zenith tube, zoom binoculars