Band-pass filter
a filter that attenuates all frequencies except those of a specific band, which it amplifies.
noun
(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
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a safety razor with a replaceable head whose cutting edge is a narrow band of steel that can be wound forward, exposing a new, sharp section.
- Banderole
a small flag or streamer fastened to a lance, masthead, etc. a narrow scroll, usually bearing an inscription. (especially in Renaissance architecture) a sculptured band, as on a building, adapted to receive an inscription. Historical Examples Corti made the passage safely, and in the road beyond the moat halted, and drove the staff of his […]
- Band saw
a saw consisting of an endless toothed steel band passing over two wheels. Historical Examples There is a band saw to the south of the work bench also against the west wall of the garage. Warren Commission (9 of 26): Hearings Vol. IX (of 15) The President’s Commission on the Assassination of President Kennedy The […]
- Bandsaw
to cut with a band saw. Historical Examples Put a double X here, between this workbench and this bandsaw. Warren Commission (3 of 26): Hearings Vol. III (of 15) The President’s Commission on the Assassination of President Kennedy His head struck smartly against the edge of the bandsaw bench, but he did not seem to […]
- Band shell
a concave, acoustically resonant structure at the back of an outdoor bandstand.