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n. [ Gr. &unr_; wave + -scope. ] (Elec.) Any device for detecting the presence of electric waves. The influence of electric waves on the resistance of a particular kind of electric circuit, on the magnetization of steel, on the polarization of an electrolytic cell, or on the electric condition of a vacuum has been applied in the various cymoscopes. [ Webster 1913 Suppl. ]

n. [ Haemo- + -scope. ] (Physiol.) An instrument devised by Hermann, for regulating and measuring the thickness of a layer of blood for spectroscopic examination. [ 1913 Webster ]

n. [ From Gr. 'ofqalmo`s the eye + -scope. ] (Physiol.) An instrument for viewing the interior of the eye, particularly the retina. Light is thrown into the eye by a mirror (usually concave) and the interior is then examined with or without the aid of a lens. -- Oph*thal`mo*scop"ic a. [1913 Webster]

n. [ Cf. F. ophthalmoscopie. ] 1. A branch of physiognomy which deduces the knowledge of a person's temper and character from the appearance of the eyes. [ 1913 Webster ]

2. Examination of the eye with the ophthalmoscope. [ 1913 Webster ]

n. [ Photo- + Gr. chrw^ma color + -scope. ] 1. A device for giving shifting effects of color to a photograph. The unmounted print, made translucent, is illuminated from behind with colored light. [ Webster 1913 Suppl. ]

2. A combination of three optical lanterns for projecting objects on a screen in the colors of nature. The images of three partial photographs taken through color screens (red, green, and blue, respectively) are superimposed. Each image is given its own primary color, and these colors blend and reproduce the colors of the object. [ Webster 1913 Suppl. ]

n. [ Gr. &unr_; war + -scope: cf. F. polémoscope. ] An opera glass or field glass with an oblique mirror arranged for seeing objects that do not lie directly before the eye; -- called also diagonal opera glass, or side opera glass. [ 1913 Webster ]

n. [ Gr. &unr_;&unr_;&unr_; an earthquake + -scope. ] (Physics) A seismometer. [ 1913 Webster ]

n. [ Gr. &unr_;&unr_;&unr_; the pulse + -scope. ] (Physiol.) Same as Sphygmograph. [ 1913 Webster ]

n. [ Thermo- + -scope. ] (Physics) An instrument for indicating changes of temperature without indicating the degree of heat by which it is affected; especially, an instrument contrived by Count Rumford which, as modified by Professor Leslie, was afterward called the differential thermometer. [ 1913 Webster ]

a. (Physics) Of or pertaining to the thermoscope; made by means of the thermoscope; as, thermoscopic observations. [ 1913 Webster ]