Definition from Wiktionary, the free dictionary
- IPA: /ˈfæsɪt/
facet (plural facets)
- Any one of the flat surfaces cut into a gem.
- This facet of the diamond was masterfully cut to enhance its value.
- One among many similar or related, yet still distinct things.
- The child's learning disability was only one facet of the problems contributing to his delinquency.
- One of a series of things, such as steps in a project.
- We had just about completed the research facet of the project when the order came to cancel it.
- (anatomy) One member of a compound eye, as found in insects and crustaceans.
- (anatomy) A smooth circumscribed surface.
- the articular facet of a bone
- (architecture) The narrow plane surface between flutings of a column.
- (mathematics) A face of codimension 1 of a polytope.
Derived terms 
flat surface cut into a gem
one among many similar yet distinct things
one of a series of things
one member of a compound eye
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Translations to be checked
Usage notes 
- Faceting and faceted are more common in the US. Facetting and facetted are more common in the UK.
to cut a facet
- IPA: /fasɛt/, [faˈsɛd̥]
Inflection of facet