portion
posistor
position
positional
position-dependent
positioner
position-finding
positioning
position-sensitive
position-to-number
  positive
positive-acting
positive-column-discharge
positive-feedback
positive-going
positive-grid
positive-image-producing
positive-ion
positive-negative
positive-resist
positive-working

    positive column

    положительный столб, положительное тлеющее свечение (тлеющего разряда)