hyperfine
adjective
hyperfine is an adjective meaning “Extremely fine, especially of the hyperfine structure in the spectra of atoms and molecules” (English Wiktionary, September 2026). It is spelled H-Y-P-E-R-F-I-N-E, and it appears about once in every 15 million words in written English (wordfreq, 2021 data).
What does hyperfine mean?
adjective
- 1
Extremely fine, especially of the hyperfine structure in the spectra of atoms and molecules.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Forms of hyperfine
- more hyperfine comparative
- most hyperfine superlative
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How common is hyperfine?
Hyperfine appears about once in every 15 million words in written English, the 117,098th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
Where does hyperfine come from?
From hyper- + fine.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).