im·mer·sion 
(ĭ-mûrzhən, -shən)
(ĭ-mûrzhən, -shən)n.
1.
a. The act or an instance of immersing.
b. The condition of being immersed.
2. Baptism performed by totally submerging a person in water.
3. Astronomy The obscuring of a celestial body by another or by the shadow of another.
- thermoacoustic
- thermocautery
- thermochemical
- thermochemist
- thermochemistry
- thermocline
- thermocoagulation
- thermocouple
- thermoduric
- thermodynamic
- thermodynamically
- thermodynamics
- thermoelectric
- thermoelectrical
- crosstie
- cross-tolerance
- crosstown
- cross-town
- cross-train
- cross-trainer
- cross trainer
- crosstree
- cross t's
- cross up
- cross vault