In physics and engineering the quality factor or Q factor is a dimensionless parameter that describes how underdamped an oscillator or resonator is, and characterizes a resonator's bandwidth relative to its centre frequency.
Qantas Airways is the flag carrier of Australia and its largest airline by fleet size, international flights and international destinations.
Qatar Foundation for Education, Science and Community Development (مؤسسة قطر) is a semi-private chartered, non-profit organization in Qatar, founded in 1995 by then-emir Sheikh Hamad bin Khalifa Al Thani and his second wife Moza bint Nasser.
A quick-firing gun (in U.S. parlance, 'rapid-firing') is an artillery piece, typically a gun or howitzer, which has several characteristics which taken together mean the weapon can fire at a fast rate.
Quiverfull is a movement of conservative Christian couples.