from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. procedures involved in taking defensive measures against attacks using biological agents
Sorry, no etymologies found.
It is thus a constitutional, biological defense reaction, psychophysical in nature, with a reversionary tendency (when viewed from the evolutionary standpoint), and hence is indicative of degeneration, this term being used in the racial, biological, phylogenetic and ontogenetic sense.