Term: bifocals: eyeglasses having two focal lengths, one for near vision and the other for far vision
Broader: spectacles: optical instrument consisting of a frame that holds a pair of lenses for correcting defective vision | Unrelated: horse nettle: coarse prickly weed having pale yellow flowers and yellow berrylike fruit; common throughout southern and eastern United States
Broader: spectacles: optical instrument consisting of a frame that holds a pair of lenses for correcting defective vision | Unrelated: ivory nut: nutlike seed of a South American palm; the hard white shell takes a high polish and is used for e.g. buttons
Broader: spectacles: optical instrument consisting of a frame that holds a pair of lenses for correcting defective vision | Unrelated: offside: (sport) the mistake of occupying an illegal position on the playing field (in football, soccer, ice hockey, field hockey, etc.)
Broader: spectacles: optical instrument consisting of a frame that holds a pair of lenses for correcting defective vision | Unrelated: cryometer: a thermometer designed to measure low temperatures
Broader: spectacles: optical instrument consisting of a frame that holds a pair of lenses for correcting defective vision | Unrelated: rough-stemmed goldenrod: a variety of goldenrod
Broader: spectacles: optical instrument consisting of a frame that holds a pair of lenses for correcting defective vision | Unrelated: rock pink: pink-flowered perennial of rocky regions of western United States
Broader: spectacles: optical instrument consisting of a frame that holds a pair of lenses for correcting defective vision | Unrelated: water ice: an ice containing no milk but having a mushy consistency; usually made from fruit juice
Broader: spectacles: optical instrument consisting of a frame that holds a pair of lenses for correcting defective vision | Unrelated: note: a promise to pay a specified amount on demand or at a certain time
Broader: spectacles: optical instrument consisting of a frame that holds a pair of lenses for correcting defective vision | Unrelated: moth bean: East Indian legume having hairy foliage and small yellow flowers followed by cylindrical pods; used especially in India for food and forage and as a soil conditioner; sometimes placed in genus Phaseolus
Broader: spectacles: optical instrument consisting of a frame that holds a pair of lenses for correcting defective vision | Unrelated: whitetail prairie dog: tail is white tipped