A therapy in which the patient hangs upside down or at an inverted angle, claimed to treat backache etc.

plural of first inversion

plural of third inversion

(music) a position of a seventh chord when the seventh of the chord is the lowest note

(music) The position of a chord when the fifth of the chord is the lowest note.

plural of second inversion

(music) a position of a chord when the third of the chord is the lowest note

plural of retrograde inversion

(meteorology) An atmospheric condition in which a cooler layer of air lies below a warmer layer of air that functions as a "ceiling" for the cooler layer, interfering with normal atmospheric circulation and trapping pollutants.

(physics) The creation of a system in which more atoms or molecules are in an excited state than in a ground state.