- 奈米技术 nàimǐjìshù nanotechnologybranch of technology that deals with dimensions and tolerances of less than 100 nanometers
- 奈米材料 nàimǐcáiliào nanomaterialmaterial with structural components at the scale of nanometers
- 奈米科学 nàimǐkēxué nanosciencethe study of structures and materials on an ultra-small scale, typically at the atomic or molecular level; variant term used primarily in Taiwan