Entertainment / Music / Quadruple Meter: Basic metrical pattern of four beats to a measure: also common time.
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Entertainment / Music / Simple Meter: Grouping of rhythms in which the beat is subdivided into two, as in duple, triple, and quadruple meters. MORE
Technology / Home Audio / Potentiometer: A three-terminal variable resistor. Two terminals connect to the ends of a flat resistor, while the third terminal is attached to a moveable contact that interfaces with the resistive element. The mov MORE
Science / Weather / Pressure Altimeter: An aneroid barometer calibrated to indicate altitude in feet instead of units of pressure. It is read accurately only in a standard atmosphere and when the correct altimeter setting is used. MORE
Technology / Home Audio / Port Diameter: The measurement across the port opening. Measured as internal diameter (not outer diameter . MORE
Business / Machine Shop / Pitch Diameter: The diameter of a thread at an imaginary point where the width of the groove and the with of the thread are equal. MORE