downtrace

Noun

downtrace (plural downtraces)

1. The process of taking scientific samples as a probe is moving downward.
   • That the results are fairly accurate is shown by the uptrace and the downtrace being very similar. Still, when two instruments have been attached to the same balloon, the results are not absolutely in accord, either as regards temperature or pressure.1911, Quarterly Report of the Meteorological Society of Scottland
   • Theorizing that "noise" superimposed upon the downtrace might be the result of turbulent eddies or cavitation in the wake of the probe, we inverted the probe in its mount.1971, Marine Technology Society Journal - Volume 5, page 22
2. The set of subordinate units lower in the chain of command from a specified unit.
   • Shouldn't each CAPSTONE general officer command (GOCOM) be made a miniArmy Reserve command (ARCOM), with direct responsibility for training its USAR and active component downtrace (contingency chain of command)?1988, Military Review, page 89
   • The 228th Signal Brigade (HHC), South Carolina National Guard, part of the 335th's command downtrace, was also not mobilized or deployed, despite its mission to provide area signal support to Third Army/ARCENT.1992, JP Bird, Crossed Signals on the Battlefield
3. The subtree of a tree structure that is determined by an attribute of a parent node.
   • B2 processing occurs when the subtree is in the downtrace of an attribute in X.1971, Jack Minker, Proceedingsof the Symposium on Information Storage and Retrieval, page 141
   • The query algorithm mainly includes uptrace and downtrace methods.2003, J Wu, Q Ding, “ATRAM-An Analysis Tool of Requirement and Architecture Management”, in Systems, Man and Cybernetics