See rest mass.
noun 1. an encroachment upon the right to be let alone or to be free from publicity.
[in-vey-zhuh n] /ɪnˈveɪ ʒən/ noun 1. an act or instance of or entering as an enemy, especially by an army. 2. the entrance or advent of anything troublesome or harmful, as disease. 3. entrance as if to take possession or overrun: the annual invasion of the resort by tourists. 4. infringement by intrusion. /ɪnˈveɪʒən/ noun […]
[in-vey-siv] /ɪnˈveɪ sɪv/ adjective 1. characterized by or involving ; offensive: invasive war. 2. , or tending to ; intrusive. 3. Medicine/Medical. requiring the entry of a needle, catheter, or other instrument into a part of the body, especially in a diagnostic procedure, as a biopsy. /ɪnˈveɪsɪv/ adjective 1. of or relating to an invasion, […]
[in-vek-tid] /ɪnˈvɛk tɪd/ adjective, Heraldry. 1. noting an edge of a charge, as an ordinary, consisting of a series of small convex curves. 2. (of a charge, as an ordinary) having such an edge: a chevron invected.