| ANAMORPHOSCOPE | • anamorphoscope n. A mirrored device which gives a correct image of an anamorphosis. • ANAMORPHOSCOPE n. an optical device, such as a cylindrical lens, for correcting an image that has been distorted by anamorphosis.
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| DIPLEIDOSCOPES | • dipleidoscopes n. Plural of dipleidoscope. • DIPLEIDOSCOPE n. an instrument for ascertaining the moment of meridian passage by observing the coincidence of two images.
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| ESOPHAGOSCOPES | • esophagoscopes n. Plural of esophagoscope. • ESOPHAGOSCOPE n. an implement for examining the oesophagus.
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| OESOPHAGOSCOPE | • oesophagoscope n. Alternative form of esophagoscope. • OESOPHAGOSCOPE n. an instrument for examining the oesophagus.
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| OPHTHALMOSCOPE | • ophthalmoscope n. (Ophthalmology) An instrument for examining the interior of the eye (that is, for ophthalmoscopy). • OPHTHALMOSCOPE n. an instrument for viewing the interior of the eye.
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| PHARYNGOSCOPES | • pharyngoscopes n. Plural of pharyngoscope. • PHARYNGOSCOPE n. an instrument for inspecting the pharynx.
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| PHONENDOSCOPES | • phonendoscopes n. Plural of phonendoscope. • PHONENDOSCOPE n. a device which amplifies small sounds, especially within the human body.
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| PHOSPHOROSCOPE | • phosphoroscope n. (Physics, chemistry) Any of several devices used to measure phosphorescence, and to distinguish it from fluorescence. • PHOSPHOROSCOPE n. an instrument for measuring the duration of phosphorescence after the source of radiation causing it has been removed.
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| ROENTGENOSCOPE | • roentgenoscope n. A fluoroscope. • ROENTGENOSCOPE n. an apparatus for examining patients by use of X-rays, also RONTGENOSCOPE.
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| RONTGENOSCOPES | • RONTGENOSCOPE n. an apparatus for examining patients by use of X-rays, also ROENTGENOSCOPE. | 
| SCINTILLASCOPE | • SCINTILLASCOPE n. an instrument which shows scintillations on a screen, used to produce a scintigram, also SCINTILLOSCOPE. | 
| SCINTILLOSCOPE | • scintilloscope n. A device that illustrates the presence of radiation by showing sparks on a fluorescent screen. • SCINTILLOSCOPE n. an instrument for measuring gamma rays emitted by a radioactive body, also SCINTILLASCOPE.
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| SIGMOIDOSCOPES | • sigmoidoscopes n. Plural of sigmoidoscope. • SIGMOIDOSCOPE n. an instrument for examining the interior of the rectum and sigmoid colon.
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| SPINTHARISCOPE | • spinthariscope n. (Historical) An early device for observing individual nuclear disintegrations. • SPINTHARISCOPE n. an instrument for visually detecting alpha particles.
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| SYNCHRONOSCOPE | • SYNCHRONOSCOPE n. an instrument used to indicate whether two periodic quantities or motions are synchronous. | 
| TACHISTOSCOPES | • tachistoscopes n. Plural of tachistoscope. • TACHISTOSCOPE n. an instrument for rapidly showing images on a screen to test perception.
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