Faceting

[fas-it] /ˈfæs ɪt/

noun
1.
one of the small, polished plane surfaces of a cut gem.
2.
a similar surface cut on a fragment of rock by the action of water, windblown sand, etc.
3.
aspect; phase:
They carefully examined every facet of the argument.
4.
Architecture. any of the faces of a column cut in a polygonal form.
5.
Zoology. one of the corneal lenses of a compound arthropod eye.
6.
Anatomy. a small, smooth, flat area on a hard surface, especially on a bone.
7.
Dentistry. a small, highly burnished area, usually on the enamel surface of a tooth, produced by abrasion between opposing teeth in chewing.
verb (used with object), faceted, faceting or (especially British) facetted, facetting.
8.
to cut facets on.
/ˈfæsɪt/
noun
1.
any of the surfaces of a cut gemstone
2.
an aspect or phase, as of a subject or personality
3.
(architect) the raised surface between the flutes of a column
4.
any of the lenses that make up the compound eye of an insect or other arthropod
5.
(anatomy) any small smooth area on a hard surface, as on a bone
verb -ets, -eting, -eted, -ets, -etting, -etted
6.
(transitive) to cut facets in (a gemstone)
n.

1620s, from French facette (12c., Old French facete), diminutive of face (see face (n.)). The diamond-cutting sense is the original one. Related: Faceted; facets.

facet fac·et (fās’ĭt)
n.