Crystal counter
noun
1.
an instrument for detecting and measuring the intensity of high-energy radiation, in which particles collide with a crystal and momentarily increase its conductivity
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noun, Crystallography. 1. (def 3). [noun dee-fekt, dih-fekt; verb dih-fekt] /noun ˈdi fɛkt, dɪˈfɛkt; verb dɪˈfɛkt/ noun 1. a shortcoming, fault, or imperfection: a defect in an argument; a defect in a machine. 2. lack or want, especially of something essential to perfection or completeness; deficiency: a defect in hearing. 3. Also called crystal defect, […]
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noun, Radio. 1. a device for rectifying a modulated radio-frequency signal, consisting of a crystal of germanium, silicon, galena, or the like with a cat whisker contact, permitting a high-frequency current to pass freely in one direction only: one of the two principal components of a crystal set. noun 1. (electronics) a demodulator, used esp […]
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noun 1. (crystallog) a symmetrical set of planes in space, associated with a crystal, having the same symmetry as the crystal class Compare crystal habit
- Crystal-gazing
noun 1. the practice of staring into a crystal ball, as by a fortuneteller, to see distant happenings, future events, etc. 2. speculation about the future. noun 1. the act of staring into a crystal globe (crystal ball) supposedly in order to arouse visual perceptions of the future, etc 2. the act of trying to […]
- Crystal habit
noun 1. (crystallog) the external shape of a crystal Compare crystal form