long-range
long-reach
long-run
long-running
long-standing
long-string
long-stroke
long-sweep
long-taper
long-term
  long-wave
long-wavelength
long-wearing
look-ahead
lookout
look-up
loom
loop
looper
loose
loose-fitting

    long-wave measuring error

    погрешность отсчёта на большой длине