mill bar
(astronomy) Any of a class of galaxies that have nuclei with excessive amounts of ultraviolet emissions.
(Southern US) A large deciduous vine or ground-cover related to the hydrangeas, with fragrant white flowers, native to the southeastern US, Decumaria barbara.
(ironworking) A rough bar rolled or drawn directly from a bloom or puddle bar for conversion into merchant iron in the mill.
A sound wave, of the same amplitude but of opposite phase to that of an unwanted sound, that can neutralize the unwanted sound using destructive interference.
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