Definition of facies
1 : general appearance <a plant species with a particularly distinct facies>
2 : an appearance and expression of the face characteristic of a particular condition especially when abnormal <adenoid facies>
3 : a part of a rock or group of rocks that differs from the whole formation (as in composition, age, or fossil content)
Origin of facies
New Latin, from Latin, face
First Known Use: circa 1736
Learn More about facies
Medical Dictionary: Definition of "facies"
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