ultrafine

comparative more ultrafine · superlative most ultrafine

1. Of particles, very fine.

   His idea is to stand billions of ultrafine wire loops around the edge of a silicon chip — hence the name racetrack — and use electric current to slide infinitesimally small magnets up and down along each of the wires to be read and written as digital ones and zeros.

   2007 September 11, John Markoff, “Redefining the Architecture of Memory”, in The New York Times, archived from the original on 09 Nov 2020