ISO/TS 80004-4:2011给出纳米技术领域的材料的术语和定义，其中一个或多个组分是纳米尺度区域，并且材料表现出归因于那些纳米尺度区域的存在的性质。它旨在促进行业内组织和个人之间的沟通以及与他们互动的人员之间的沟通。 分类为纳米结构的材料具有内部或表面结构，其纳米级具有显着部分特征，晶粒，空隙或沉淀物。含有纳米材料或纳米结构材料的产品本身不一定是纳米结构材料。 ISO/TS 80004-4:2011包括纳米分散

ISO/TS 80004-4:2011 gives terms and definitions for materials in the field of nanotechnologies where one or more components are nanoscale regions and the materials exhibit properties attributable to the presence of those nanoscale regions. It is intended to facilitate communications between organizations and individuals in industry and those who interact with them. Materials classified as nanostructured have an internal or surface structure with a significant fraction of features, grains, voids or precipitates in the nanoscale. Articles that contain nano-objects or nanostructured materials are not necessarily nanostructured materials themselves. ISO/TS 80004-4:2011 includes nanodispersion.