For an edge of a polyhedron, Euler introduced Latin acies ‘sharp edge or point’. The term is found in a letter to Goldbach from 1750, in which Euler explains that he uses acies “for lack of an accepted word” (see Euler 2015, p. 479).

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  • Holger Becker

摘要

For an edge of a polyhedron, Euler introduced Latin acies ‘sharp edge or point’. The term is found in a letter to Goldbach from 1750, in which Euler explains that he uses acies “for lack of an accepted word” (see Euler 2015, p. 479).