Alternative form of quackgrass

Alternative form of Quaker gun

(chiefly US, idiomatic, military, weaponry) A nonfunctional imitation of a gun or of a piece of artillery, typically made of wood and usually intended to deceive enemy forces into overestimating one's available firepower.

plural of Quaker gun

Of the highest quality; extremely good

Alternative form of measurement problem

(computing) The use of quantum mechanical phenomena to transcend classical time complexity limitations in computing.

(physics) A quantum number of an atomic orbital, whose possible values are related to the azimuthal quantum number, that denotes the energy levels in a subshell.

(physics) A quantum number that specifies the spin of a particle; for an electron, it may only take the values ±1/2

(physics) The quantum number (of an atomic orbital) that specifies the energy of an electron in an atom and, hence, which shell it occupies