concave lens Definition

diverging lens, plano, meniscus, concavo-convex, plano-concave, biconcave, convexo-concave, ophthalmoscope, shell, concavo-concave, camera obscura, fresnel lens, galilean telescope, magnifier, maksutov telescope, myopia, telescope, convex, camera, diffraction, disk, focus, dished, knee, anthracnose, badin, basin, bruiser, cassegrainian telescope, cup, cupped, cups, dish, dosh, fillet, gorget, gregorian telescope, lieberkuhn, newtonian telescope, parabolic reflector, paraboloid reflector, radio telescope, reflecting telescope, reflector, schmidt system, scotia, shortened, solar collector, solar dish, solar furnace, sword, doublet, negative, plano-convex, baluster, billet, blade, bob, bowl, bowled, circus, cissoid, cope, corner, cornering, cove, crescent, cue, cupola, cupping, cyclorama, deadeye, depressing, disc harrow, dome, epee, flute, glute, gorge, gouge, hang, head, heads, hole, hollow, hollowing, honeycomb, indenture, inflection, invert, kidney, mirror, mirroring, ogee, palm, pendentive, pit, pocket, reentrant, ring,