sequencer

1. Any device that activates or deactivates the components of a machine or system according to a preplanned sequence (as in a washing machine, or central heating system).

   Sequenzer

   секве́нсорsekvɛ́nsor, секве́нсорsekvénsor, секве́нсерsekvɛ́nsɛr

2. A device or system that orders and/or modifies digitally stored music and sound for playback.

   a MIDI sequencer

   Sequenzer

3. A device for determining the sequence of monomers in a polymer, especially amino acids in protein, or bases in DNA; A sequenator.

   секвенаторsekvenator

   (chemistry) an apparatus that can determine the sequence of monomers in a polymer

4. A control device to increase/decrease the capacity of plant that is enabled to act in a specific order or sequence.

regular