Final controlled variable
Alternative term: Ultimately controlled variable (U.S.A.)
For a controlled system, a variable, the control of which is the ultimate purpose of the system.
Reference: I.E.C. (modified)
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
Celsius (previously Centigrade)
International Association of Marine Aids to Navigation and Lighthouse Authorities - AISM