one-shot
one-side
one-sided
one-sigma
one-stage
one-tenth
one-third-octave
one-time
one-to-one
one-to-zero
  one-way
one-wire
one-zone
on-hook
onionskin
on-line
on-load
only
on-off
on-path
onset

    one-way amplifier

    однонаправленный усилитель