SEQUENCER
sequencer
(noun) computer hardware that sorts data or programs into a predetermined sequence
sequencer, sequenator
(noun) (chemistry) an apparatus that can determine the sequence of monomers in a polymer
Source: WordNet® 3.1
Etymology
Noun
sequencer (plural sequencers)
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).
A device or system that orders and/or modifies digitally stored music and sound for playback.
A device for determining the sequence of monomers in a polymer, especially amino acids in protein, or bases in DNA; A sequenator.
A control device to increase/decrease the capacity of plant that is enabled to act in a specific order or sequence.
Source: Wiktionary