low-altitude
low-and-high-pass
low-angle
low-barrier
low-beta
low-birefringent
low-bit-rate
low-capacitance
low-coercivity
low-coherent
  low-current
low-cut
low-definition
low-density
low-distortion
low-divergence
low-drag
low-electron-velocity
low-energy
low-energy-product
lower