The quality requirement for this product is very high.

The orbital quantum numbers describe the energy levels and shapes of electrons in an atom.

The quack-salvers were selling their miracle cures on the street corner.

I bought a pair of quad skates for my birthday.

The quadratics means of the data set were calculated to find the average value.

Quadratic equations are used to solve problems in mathematics.

The ship's crew carried several quadrant plates for navigation.

I saw a flock of quail doves flying in the sky.

The soldiers set up quaker guns along the fortifications to deceive the enemy.

She used quadruple threads to sew the fabric.