drum drumfish | small to medium-sized bottom-dwelling food and game fishes of shallow coastal and fresh waters that make a drumming noise |
striped drum Equetus pulcher | a kind of drumfish |
red drum channel bass redfish Sciaenops ocellatus | large edible fish found off coast of United States from Massachusetts to Mexico |
accommodating lens implant accommodating IOL | a lens implant containing a hinge that allows for both near and far vision (thus mimicking the natural lens of a young person) |
achromatic lens | a compound lens system that forms an image free from chromatic aberration |
anastigmatic lens | a lens designed to correct astigmatism |
bass drum gran casa | a large drum with two heads, makes a sound of indefinite but very low pitch |
bongo bongo drum | a small drum, played with the hands |
brake drum drum | a hollow cast-iron cylinder attached to the wheel that forms part of the brakes |
camera lens optical lens | a lens that focuses the image in a camera |
closeup lens | a photographic lens with a short focal length used to take pictures at short ranges |
compound lens | a lens system consisting of two or more lenses on the same axis |
contact contact lens | a thin curved glass or plastic lens designed to fit over the cornea in order to correct vision or to deliver medication |
converging lens convex lens | lens such that a beam of light passing through it is brought to a point or focus |
crown lens | a lens made of optical crown glass |
diverging lens concave lens | a lens such that a parallel beam of light passing through it is caused to diverge or spread out |
drum membranophone tympan | a musical percussion instrument, usually consists of a hollow cylinder with a membrane stretched across each end |
drum metal drum | a cylindrical metal container used for shipping or storage of liquids |
drum brake | hydraulic brake in which friction is applied to the inside of a spinning drum by the brake shoe |
drum printer | a line printer in which the type is mounted on a rotating drum that contains a full character set for each printing position |
drum sander electric sander sander smoother | a power tool used for sanding wood, an endless loop of sandpaper is moved at high speed by an electric motor |
field lens | the lens that is farthest from the eye in an optical device with more than one lens |
Fresnel lens | lens composed of a number of small lenses arranged to make a lightweight lens of large diameter and short focal length |
hood lens hood | a tubular attachment used to keep stray light out of the lens of a camera |
intraocular lens | an artificial lens that is implanted into the eye of someone to replace a damaged natural lens or someone who has had a cataract removed |
lens lense lens system | a transparent optical device used to converge or diverge transmitted light and to form images |
lens electron lens | electronic equipment that uses a magnetic or electric field in order to focus a beam of electrons |
lens cap lens cover | cap used to keep lens free of dust when not in use |
lens implant interocular lens implant IOL | a clear plastic lens that is implanted in the eye, usually done when the natural lens has been removed in a cataract operation |
monofocal lens implant monofocal IOL | a lens with a single focus that is used after cataract surgery to provide clear distance vision |
multifocal lens implant multifocal IOL | a type of lens implant that contains several rings with a common center and adjusts for near or far vision, the eye is in focus for near and far vision simultaneously |
objective objective lens object lens object glass | the lens or system of lenses in a telescope or microscope that is nearest the object being viewed |
portrait lens | a compound camera lens with a relatively high aperture |
snare drum snare side drum | a small drum with two heads and a snare stretched across the lower head |
steel drum | a concave percussion instrument made from the metal top of an oil drum, has an array of flattened areas that produce different tones when struck (of Caribbean origin) |
telephoto lens zoom lens | a camera lens that magnifies the image |
tenor drum tom-tom | any of various drums with small heads |
wide-angle lens fisheye lens | a camera lens having a wider than normal angle of view (and usually a short focal length), produces an image that is foreshortened in the center and increasingly distorted in the periphery |
lens crystalline lens lens of the eye | biconvex transparent body situated behind the iris in the eye, its role (along with the cornea) is to focuses light on the retina |
lens cortex cortex | the tissue that surrounds the lens nucleus |
lens nucleus nucleus | the central structure of the lens that is surrounded by the cortex |
lens capsule | a tenuous mesoblastic membrane surrounding the lens of the eye |
lens | (metaphor) a channel through which something can be seen or understood, the writer is the lens through which history can be seen |
drum | the sound of a drum, he could hear the drums before he heard the fifes |
paradiddle roll drum roll | the sound of a drum (especially a snare drum) beaten rapidly and continuously |
drum major | the leader of a marching band or drum corps |
drum majorette majorette | a female drum major |
drum majorette majorette | a female baton twirler who accompanies a marching band |
optician lens maker | a worker who makes glasses for remedying defects of vision |
Lens genus Lens | genus of small erect or climbing herbs with pinnate leaves and small inconspicuous white flowers and small flattened pods: lentils |