rhom·ben·ceph·a·lon 
(rŏm′bĕn-sĕfə-lŏn′, -lən)
(rŏm′bĕn-sĕfə-lŏn′, -lən)n.
The hindbrain.
rhom′ben·ce·phalic (-sə-fălĭk) adj.
- subsistent
- subsister
- subsoil
- subsoiler
- subsolar
- subsonic
- subsp.
- subspecialist
- subspecialization
- subspecialize
- subspecialty
- subspecies
- subspecific
- subst.
- substage
- substance
- substance abuse
- substance abuser
- substance P
- substance use disorder
- substandard
- substantia gelatinosa
- substantial
- substantiality
- substantially