semiconductor
as defined in Regulation (EU) 2023/1781 of the European Parliament and of the Council of…, Article 2, point (1) (Definitions)
one of the following: (a) a material, including novel materials, either elemental or compound, whose electrical conductivity can be modified; or (b) a component consisting of a series of layers of semiconducting, insulating and conducting materials defined according to a predetermined pattern, and intended to perform well-defined electronic or photonic functions or both;