Definition of internuncial in English:

internuncial

adjective

Physiology
attributive
  • (of neurons) forming connections between other neurons in the central nervous system.

Pronunciation

internuncial

/ˌintərˈnənsēəl/ /ˌɪntərˈnənsiəl/ /ˈˌin(t)ərˈnənSHəl/ /ˈˌɪn(t)ərˈnənʃəl/

Origin

Mid 17th century (in the sense ‘acting as a messenger or intermediary’): from Latin internuntius (from inter- ‘between’ + nuntius ‘messenger’) + -al. The physiology sense dates from the early 19th century.