pófalowy
Półfalowy is an adjective in Polish used to describe something related to a half wavelength or half a cycle. The standard form is półfalowy; forms without the diacritic, such as pófalowy, are generally considered incorrect in formal writing. The term is common in physics, electronics, and optics, where it appears in phrases such as prostownik półfalowy and retarder półfalowy.
In electronics, a half-wave rectifier (prostownik półfalowy) uses a single diode to convert alternating current into
In optics, a half-wave plate (retarder półfalowy) is a birefringent element that introduces a phase retardation
Etymology and usage: the term combines fala (wave) with the prefix pół- (half) and appears in various