Prism-binocular
noun
1.
Usually, prism binoculars. Optics. binocular (def 1).
Read Also:
- Prism-diopter
noun, Optics. 1. a unit of prismatic deviation, in which the number one represents a prism that deflects a beam of light a distance of one centimeter on a plane placed normal to the initial direction of the beam and one meter away from the prism. prism diopter n. Abbr. PD The unit measuring the […]
- Prismoid
noun, Geometry. 1. a solid having sides that are trapezoids and bases or ends that are parallel and similar but not congruent polygons. Compare prism (def 2). noun 1. a prismatoid having an equal number of vertices in each of the two parallel planes and whose sides are trapeziums or parallelograms
- Prism-spectrometer
noun, Optics. 1. See under spectrometer. spectrometer [spek-trom-i-ter] /spɛkˈtrɒm ɪ tər/ noun, Optics. 1. an optical device for measuring wavelengths, deviation of refracted rays, and angles between faces of a prism, especially an instrument (prism spectrometer) consisting of a slit through which light passes, a collimator, a prism that deviates the light, and a telescope […]
- Prison
noun 1. a building for the confinement of persons held while awaiting trial, persons sentenced after conviction, etc. 2. state prison. 3. any place of confinement or involuntary restraint. 4. imprisonment. noun 1. a public building used to house convicted criminals and accused persons remanded in custody and awaiting trial See also jail, penitentiary, reformatory […]
- Prison-camp
noun 1. a camp for the confinement of prisoners of war or political prisoners. 2. a camp for less dangerous prisoners assigned to outdoor work, usually for the government.