movement of oscillation
111Seismometer — Seismometers (from Greek Seism the shakes and Metro I measure ) are instruments that measure and record motions of the ground, including those of seismic waves generated by earthquakes, nuclear explosions, and other seismic sources. Records of… …
112Achromatopsia — Classification and external resources A person with complete achromatopsia would see only black, white and shades of grey. Additionally, the image would usually be blurry in brighter light (in the brightest light, effectively invisible) but would …
113Escapement — redirects here. For the fisheries term for the stock surviving fishing pressures over a spawning cycle, see Spawn (biology). For other uses, see Escapement (disambiguation). A deadbeat escapement, used in many pendulum clocks. Click above to see… …
114Center of percussion — The center of percussion is the point on an object where a perpendicular impact will produce translational and rotational forces which perfectly cancel each other out at some given pivot point, so that the pivot will not be moving momentarily… …
115Ганн, Джон — В Википедии есть статьи о других людях с такой фамилией, см. Ганн. Джон Бэттискомб Ганн англ. John Battiscombe Gunn (J. B. Gunn) …
116electron tube — an electronic device that consists, typically, of a sealed glass bulb containing two or more electrodes: used to generate, amplify, and rectify electric oscillations and alternating currents. Also called electronic tube. Cf. gas tube, vacuum tube …
117light — light1 lightful, adj. lightfully, adv. /luyt/, n., adj., lighter, lightest, v., lighted or lit, lighting. n. 1. something that makes things visible or affords illumination: All colors depend on light. 2. Physics …
118sea ice — Ice formed from frozen seawater in polar regions. Most sea ice occurs as pack ice, which drifts across the ocean surface; other types of sea ice include fast ice, which is attached to coasts and sometimes the seafloor or between grounded icebergs …
119weather forecasting — Prediction of the weather through application of the principles of physics and meteorology. Weather forecasting predicts atmospheric phenomena and changes on the Earth s surface caused by atmospheric conditions (snow and ice cover, storm tides,… …
120vibration — 1. A shaking. 2. A to and fro movement, as in oscillation. [L. vibratio, fr. vibro, pp. atus, to quiver, shake] * * * vi·bra·tion vī brā shən n 1 a) a periodic motion of the particles of an elastic body or medium in alternately opposite… …
