sym·pa·thec·to·my 
(sĭm′pə-thĕktə-mē)
(sĭm′pə-thĕktə-mē)n. pl. sym·pa·thec·to·mies
Surgical removal of a part of the sympathetic nervous system.
[SYMPATH(ETIC) + -ECTOMY.]
- interdictively
- interdictor
- interdictory
- interdisciplinary
- interest
- interested
- interestedly
- interest group
- interesting
- interestingly
- interethnic
- interethnically
- interface
- interfacial
- interfacing
- interfaith
- interfere
- interference
- interference pattern
- interferential
- interferer
- interferingly
- interferometer
- interferometric
- interferometrically