Ultrafine
adj
adj ·Rare ·Advanced level
Definitions
Adjective
- 1 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."
Example
More examples"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."
Etymology
From ultra- + fine.
Related phrases
More for "ultrafine"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.