Definition of suprafacial in English:

suprafacial

adjective

  • 1Anatomy Zoology
    Located above the face or the facial nerve.

  • 2Chemistry
    Of a pericyclic reaction undergone by a molecule: involving the formation of two new bonds on the same face of the molecule. Opposed to antarafacial .

Origin

Late 19th century. From supra- + facial.

Pronunciation

suprafacial

/ˌsuːprəˈfeɪʃl/ /ˌsjuːprəˈfeɪʃl/