syn·ki·ne·sis 
(sĭn′kə-nēsĭs, -kī-, sĭng′-)
(sĭn′kə-nēsĭs, -kī-, sĭng′-)n.
Involuntary movement of muscles or limbs accompanying a voluntary movement.
syn′ki·netic (-nĕtĭk) adj.
- thermal resistance
- thermanesthesia
- thermesthesia
- thermic
- thermion
- thermionic
- thermionic current
- thermionics
- thermionic tube
- thermistor
- thermite
- thermo-
- thermoacoustic
- thermocautery
- thermochemical
- thermochemist
- thermochemistry
- thermocline
- thermocoagulation
- thermocouple
- thermoduric
- thermodynamic
- thermodynamically
- thermodynamics
- thermoelectric