[ fey-shee-eez, -sheez ]
/ ˈfeɪ ʃiˌiz, -ʃiz /

noun, plural fa·ci·es.

general appearance, as of an animal or vegetable group.
Geology. the appearance and characteristics of a sedimentary deposit, especially as they reflect the conditions and environment of deposition and serve to distinguish the deposit from contiguous deposits.Compare metamorphic facies.
Medicine/Medical. a facial expression characteristic of a disease or pathological condition.
Archaeology. a distinctive phase of a prehistoric cultural tradition.



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Origin of facies

1350–1400, for an earlier sense; Middle English <Latin: form, figure, appearance, face, akin to facere to make


sub·fa·ci·es, noun, plural sub·fa·ci·es.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for facies

British Dictionary definitions for facies

/ (ˈfeɪʃɪˌiːz) /

noun plural -cies

the general form and appearance of an individual or a group of plants or animals
the characteristics of a rock or series of rocks reflecting their appearance, composition, and conditions of formation
med the general facial expression of a patient, esp when typical of a specific disease or disorderSee Hippocratic facies

Word Origin for facies

C17: from Latin: appearance, face
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for facies

[ fāshē-ēz′, -shēz ]

n. pl. facies

The appearance or expression of the face, especially when typical of a certain disorder or disease.
The general aspect or outward appearance, as of a given growth of flora.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for facies

[ fāshē-ēz′, -shēz ]

Plural facies

  1. A body of sedimentary rock distinguished from others by its lithology, geometry, sedimentary structures, proximity to other types of sedimentary rock, and fossil content, and recognized as characteristic of a particular depositional environment.
  2. For a metamorphic rock, the particular combination of pressure and temperature under which metamorphism occurred.
The general aspect or makeup of an ecological community, especially a local modification of a community characterized by a conspicuous or abundant species that is absent or less concentrated in other locations.
The appearance or expression of the face, especially when typical of a certain disorder or disease.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.