In "quantum limit", "limit" is being used in the sense of a physical limitation (e.g. the Armstrong limit).
Louis Armstrong | Lance Armstrong | Neil Armstrong | George Armstrong Custer | Armstrong Whitworth | Armstrong | Armstrong College | no limit | Gillian Armstrong | John Armstrong | Armstrong Whitworth Whitley | term limit | Karan Armstrong | Billie Joe Armstrong | Vanessa Bell Armstrong | Tim Armstrong | Robert Armstrong | Heather Armstrong | Anton Armstrong | Warwick Armstrong | Robert Armstrong (actor) | No Limit Records | Limit of a sequence | Kerry Armstrong | John Armstrong (bishop) | Frank A. Armstrong | Doug Armstrong | Curtis Armstrong | Vertical Limit | Samuel C. Armstrong |
Harry George Armstrong (1899–1983), U.S. Air Force surgeon who first described the Armstrong Limit