ultrapure
adjective (also ultra-pure) uk/ˌʌl.trəˈpjʊər/ us/ˌʌl.trəˈpjʊr/
（物质）超纯的
(of a substance) completely clean and not mixed with anything else
The tiny machines are sculpted out of the ultrapure silicon that is used to make microchips. 这些微型机器是由用于制造微芯片的超纯硅材料雕刻而成的。
The system is designed to filter out waste completely from the water so that the remaining water is ultra-pure. 该系统旨在完全过滤掉水中的废物，使剩余的水达到超纯。
- More examples
- The factory produces the ultra-pure materials used in computers and other electronics.
- The vitamins contain ultra-pure Norwegian fish oils that contain high levels of Omega 3 and Omega 6 fatty acids.
- The spacecraft collected solar particles on hexagonal tiles of ultra-pure gold, sapphire, silicon or diamonds.