quod erat demonstrandum, Quod erat demonstrandum (Latin what had to be proved or what was to be demonstrated).
noun (qualit, ies)
(uncountable) Level of excellence
This school is well-known for having teachers of high .
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 for engineers.
security, 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, High social position.
A peasant is not allowed to fall in love with a lady of .
membership, Membership of this golf club is limited to those of and wealth.
The correspondence between a goal and its outcome -- between intent and result of action.
Plural of quantum.
verb (quantiz, ing)
(context, transitive, physics) To limit the number of possible values of a quantity, or states of a system, by applying the rules of quantum mechanics
(context, transitive, telecommunication) To approximate a continuously varying signal by one whose amplitude can only have a set of discrete values
(physics) A quantum field theory in particle physics which describes the strong interaction of quark, quarks and gluon, gluons employing the concept of color charge.
noun (abbreviated as QED)
(physics) the study of the interaction of electromagnetic radiation with electrically charged matter within the framework of relativity and quantum mechanics
(physics) That branch of physics which studies matter and energy at the level of atoms and other elementary particles, and substitutes probabilistic mechanisms for classical Newtonian ones.
(quantum) One of certain integers or half-integers that specify the state of a quantum mechanical system (such as an electron in an atom).
(physics) any of the possible states of a quantum mechanical system
(particles) In the Standard Model, an elementary subatomic particle which forms matter. Quarks are never found alone in nature and combine to form hadrons, such as protons and neutrons.
1993: Gell-Mann won the linguistic battle once again: his choice, a croaking nonsense word, was "quark". (After the fact, he was able to tack on a literary antecedent when he found the phrase "Three quarks for Muster Mark" in Finnegans Wake, but the physicists quark was pronounced from the beginning to rhyme with "cork".) — w:James Gleick, James Gleick, Genius: Richard Feynman and Modern Physics