paleoencephalon

[ pey-lee-oh-en-sef-uh-lon; especially British pal-ee- ]
/ ˌpeɪ li oʊ ɛnˈsɛf əˌlɒn; especially British ˌpæl i- /

noun, plural pa·le·o·en·ceph·a·la [pey-lee-oh-en-sef-uh-luh; especially British pal-ee-] /ˌpeɪ li oʊ ɛnˈsɛf ə lə; especially British ˌpæl i-/.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019