Definition of facies in English:

facies

noun

  • 1Medicine
    The facial expression of an individual that is typical of a particular disease or condition.

    ‘adenoidal facies are characterized by an open mouth gape’
    • ‘She has the cachectic facies of a painting of a Victorian consumptive, Munch's Sick Child, perhaps.’
    • ‘The most common features are short stature, webbed neck, congenital heart disease and a characteristic facies.’
    • ‘Other signs and symptoms include flushed facies, sore throat, cough, cutaneous hyperaesthesia, and taste aberrations.’
    • ‘Other features include masked facies, decreased blinking, stooped posture, and salivation.’
  • 2Geology
    The character of a rock expressed by its formation, composition, and fossil content.

    ‘a sedimentary investigation of the area led to the postulation of five distinct facies’
    • ‘The presence of clasts with flatiron shapes and rare striations in the conglomerate facies is consistent with a glacial setting.’
    • ‘Two facies of regionally metamorphosed rocks that may be of either original sedimentary or igneous derivation are characterized by epidote.’
    • ‘These wells were drilled into the central parts of the basin, where they intercepted mostly lacustrine facies.’
    • ‘Well-preserved fossils occur in the zeolite facies Triassic rocks of Southland, New Zealand, where Coombs first described the phenomenon in the 1950s.’
    • ‘The depositional facies are consistent with penecontemporaneous, explosive volcanism.’

Origin

Early 17th century (denoting the face): from Latin, form, appearance, face.

Pronunciation:

facies

/ˈfeɪʃɪiːz/