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.
- irrelevance
- irrelevancy
- irrelevant
- irrelevantly
- irreligion
- irreligious
- irreligiously
- irreligiousness
- irremeable
- irremediable
- irremediably
- irremissibility
- irremissible
- irremissibly
- irremovability
- irremovable
- irremovably
- irreparability
- irreparable
- irreparableness
- irreparably
- irrepealable
- irreplaceability
- irreplaceable
- irreplaceableness