half-life
half-line
half-liner
half-load
half-loop
half-mould
half-nut
half-period
half-picture
half-pontoon
  half-power
half-resonance
half-roll
half-rough
half-round
half-section
half-shade
half-shadow
half-stuff
half-through
half-tide

    half-power width

    ширина по половинной мощности