aperture
aperture
nounDefinition of APERTURE
a place in a surface allowing passage into or through a thing <you can adjust the aperture on this camera's lens by pushing this button>
Related Words loophole; breach, break, chink, cleft, crack, cranny, crevice, cut, fissure, gash, notch, rent, rift, rupture, slash, slit, split, tear; slot, space; exit, mouth, outlet, pore, vent; entrance, inlet, intake; pinhole, pinprick, punch, puncture; airhole, armhole, buttonhole, keyhole, knothole, peephole, pothole, wormhole
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