invert

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in·vert • v. / inˈvərt/ [tr.] put upside down or in the opposite position, order, or arrangement: invert the mousse onto a serving plate. ∎  Mus. modify (a phrase) by reversing the direction of pitch changes. ∎  Mus. alter (an interval or triad) by changing the relative position of the notes in it. ∎  chiefly Math. subject to inversion; transform into its inverse. • n. / ˈinvərt/ 1. an arch constructed in an upside-down position to provide lateral support, e.g., in a tunnel. ∎  the concave lower surface of a sewer or drain. 2. dated Psychol. a person showing sexual inversion; a homosexual. 3. Philately a postage stamp printed with an error such that part of its design is upside down. DERIVATIVES: in·vert·i·bil·i·ty / inˌvərtəˈbilitē/ n. in·vert·i·ble adj.

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invert

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