Dead time (2)
The time interval between a change in the input variable and the initiation of the corresponding change in the output variable.
Figure 3 - Typical time response of a system to a step increase of input.
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