carbon artifact

An 'artificially produced' solid body which consists mainly of carbonaceous material in a distinct shape.
Sometimes this term is also used for artificially (in the sense of technically) produced non-shaped carbon materials such as coke, blacks, etc. This application of the term carbon artifact is not recommended. Synonyms to the term carbon artifact are: 'artificial carbon article' or 'artificial carbon body'.
PAC, 1995, 67, 473 (Recommended terminology for the description of carbon as a solid (IUPAC Recommendations 1995)) on page 479