a filter that attenuates all frequencies except those of a specific band, which it amplifies.
(electronics) a filter that transmits only those currents having a frequency lying within specified limits Compare high-pass filter, low-pass filter
an optical device, consisting of absorbing filters, for transmitting electromagnetic waves of predetermined wavelengths
a company of persons or, sometimes, animals or things, joined, acting, or functioning together; aggregation; party; troop: a band of protesters. Music. a group of instrumentalists playing music of a specialized type: rock band; calypso band; mariachi band. a musical group, usually employing brass, percussion, and often woodwind instruments, that plays especially for marching or […]
- Geneva bands
two bands or pendent stripes made usually of white lawn and worn at the throat as part of clerical garb, originally by the Swiss Calvinist clergy. plural noun a pair of white lawn or linen strips hanging from the front of the neck or collar of some ecclesiastical and academic robes
a musician who plays in a band. Historical Examples Music is a delightful thing; but for a young man, like you, a bandsman in a line regiment is only a bandsman, after all. The Queen’s Scarlet George Manville Fenn When they all got back, he would bring the bandsman to see me without fail. Notes […]
noun an additional tuning control in some radio receivers whereby a selected narrow band of frequencies can be spread over a wider frequency band, in order to give finer control of tuning