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Compressional Wave the reduction in volume and increase of pressure of the air or combustible mixture in the cylinder prior to ignition, produced by the motion of the piston toward the cylinder head after intake.
Diffraction the phenomenon exhibited by wave fronts that, passing the edge of an opaque body, are modulated, thereby causing a redistribution of energy within the front
Electromagnetic Spectrum the entire spectrum, considered as a continuum, of all kinds of electric, magnetic, and visible radiation, from gamma rays having a wavelength of 0.001 angstrom to long waves having a wavelength of more than 1 million km.
Frequency the number of cycles or completed alternations per unit time of a wave or oscillation.
Infrared Waves the part of the invisible spectrum that is contiguous to the red end of the visible spectrum and that comprises electromagnetic radiation of wavelengths from 800 nm to 1 mm.
Intensity the quality or condition of being intense.
Pitch to erect or set up
refraction the change of direction of a ray of light, sound, heat, or the like, in passing obliquely from one medium into another in which its wave velocity is different.
reverberation a reechoed sound.
Transverse Wave a wave in which the direction of displacement is perpendicular to the direction of propagation, as a surface wave of water.
Ultraviolet Waves beyond the violet in the spectrum, corresponding to light having wavelengths shorter than 4000 angstrom units. 2. pertaining to, producing, or utilizing light having such wavelengths: an ultraviolet lamp.
Wave a disturbance on the surface of a liquid body, as the sea or a lake, in the form of a moving ridge or swell.
Wavelength Physics . the distance, measured in the direction of propagation of a wave, between two successive points in the wave that are characterized by the same phase of oscillation.
Amplitude the state or quality of being ample, especially as to breadth or width; largeness; greatness of extent.
Created by: amiller43