low-molecular-weight
low-noise
low-octane
low-ohmic
low-oil-content
low-orbit
low-orbiting
low-order
low-pase
low-pass
  lowpass-filter
low-permeability
low-permittivity
low-phosphorus
low-pitch
low-pitched
low-pole
low-pollution
low-polymeric
low-power
low-powered