Sympathetic

The word sympathetic means different things in different contexts.

In neurology and neuroscience, the sympathetic nervous system is a part of the autonomic nervous system
In music theory, sympathetic strings are strings on a musical instrument that resonate without contact
In psychology, sympathy is a feeling of compassion or identification with another
In religion, magic, and anthropology, sympathy is the belief that like affects like, that something can be influenced through its relationship with another thing

Sympathetic detonation, a detonation, usually unintended, of an explosive charge by a nearby explosion
Sympathetic resonance, a harmonic phenomenon wherein a body responds to external vibrations

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