antiphase
adjectiveDefinition of antiphase
physics
: having phases or cycles in direct opposition
The antiphase relationships seen between perturbations in potential temperature and pressure, and quadrature (quarter-wavelength) relationships between potential temperature and vertical velocity perturbations, are both characteristics of solitary waves.— Steven E Koch et al., Monthly Weather Review, April 2008 … says it has been working since 1983 on flat panels to generate antiphase sound, which cancels unwanted noise.— Barry Fox, New Scientist, 25 Jan. 1997
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