(uncountable) Level of excellence
This school is well-known for having teachers of high quality.
Quality of life is usually determined by health, education, and income.
(countable) A property or attribute that differentiates a thing or person.
One of the qualities of pure iron is that it does not rust easily.
While being impulsive can be great for artists, it is not a desirable Quality for engineers.
Security, stability, and efficiency are good qualities of an operating system.
(thermodynamics) In a two-phase liquid-vapor mixture, the ratio of the mass of vapor present to the total mass of the mixture.
(archaic) High social position. (See also the quality.)
A peasant is not allowed to fall in love with a lady of quality.
Membership of this golfclub is limited to those of Quality and wealth.
(uncountable) The degree to which a man-made object or system is free from bugs and flaws, as opposed to scope of functions or quantity of items.