Word.ws English Dictionary

ultrafine

ultrafine adjective: of particles, very fine.

Adjective

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

Forms of ultrafine

comparativemore ultrafine
superlativemost ultrafine

Origin of ultrafine

From ultra- + fine.

Words formed from ultrafine

Phrases with ultrafine

Questions about ultrafine

What does ultrafine mean?
Ultrafine means of particles, very fine.
What part of speech is ultrafine?
Ultrafine is an adjective.

Words near ultrafine in the dictionary

  1. ultrafiltrate
  2. ultrafiltrated
  3. ultrafiltrates
  4. ultrafiltration
  5. ultrafiltrations
  6. ultrafine
  7. ultrafine particle
  8. ultrafine particles
  9. ultrafinely
  10. ultrafinitism
  11. ultrafinitist

Source and license

Adapted from Wiktionary: ultrafine (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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