Noun
brass with 30% (or less) zinc
Source: WordNetFurthermore, the low brass often use extra valves to extend their range uniformly, since the fundamental is chromatically discontinuous with the lowest 2nd harmonic reachable on a three-valve instrument or via the seven-position slide on a trombone. Source: Internet
Most often tubas and euphoniums will be combined into a studio taught by one professor, and at small schools they may be grouped with trombones and/or French horns as well, taught by one low brass professor. Source: Internet
The tenor clef is also used by composers for cello and low brass parts. Source: Internet
For the action scenes with the Enterprise-B, McCarthy used low brass chords. Source: Internet