set·point

[set-point]
noun
1.
the desired value in a closed-loop feedback system, as in regulation of temperature or pressure.
2.
the point at which a thermostat has been set, as for optimum efficiency.
3.
Physiology. an internal regulatory system for maintaining a relatively stable physiological condition in the face of changing external circumstances, as body temperature in a varying climate. Compare homeostasis.
4.
a hypothetical regulator in the body that maintains a relatively stable body weight.
5.
the weight range thus theoretically maintained.
Also, set point.


Origin:
set + point

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Based on the Random House Dictionary, © Random House, Inc. 2013.
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Setpoint is always a great word to know.
So is contraction. Does it mean:
the change in a muscle by which it becomes thickened and shortened
the circulation of blood from the heart to the lungs for oxygenation and back to the heart
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Example sentences
As the zone temperature increases above the cooling setpoint, the airflow rate
  to the zone increases proportionally.
The setpoint drift was not recognized because the switches are scheduled for
  their periodic calibration annually.
The selected combination of process parameter setpoint violations is indicative
  of primary or secondary system boundary ruptures.
The investigation has revealed that the setpoint changes may have been present.
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