pulsing

verb

1. (form-of, gerund, participle, present)present participle and gerund of pulse

noun

1. The emission of pulses.
2. The action of something that pulses.

   “Used to mark out the stages of serial order, it seems to have been conceived primarily in terms of the periodicities or pulsings of the regular cycles of these series of change which we now term processes[…]”