Prefix with thermal or metric
The crossword clue "Prefix with thermal or metric" is answered by ISO, a 3-letter entry. Used 7 times across 5 distinct years; most recently in 2020; first recorded in 1999. It appears in 5 publications in the xd corpus.
The answer
ISO
3 letters. See every clue for this answer on the ISO answer page.
Used 7 times across 5 distinct years; most recently in 2020; first recorded in 1999. It appears in 5 publications in the xd corpus. Frequency and last-seen figures come from the xd crossword corpus only.
Other clues for ISO
Every other clue in this collection answered by ISO, most used first.
- Equal: Prefix - used 123 times, most recently in 2026
- Equi- - used 66 times, most recently in 2026
- Prefix with metric - used 58 times, most recently in 2026
- Equal (Pref.) - used 53 times, most recently in 2026
- Prefix meaning "equal" - used 42 times, most recently in 2026
- Bar opening? - used 33 times, most recently in 2024
- Prefix with bar - used 33 times, most recently in 2026
- Equal: Comb. form. - used 22 times, most recently in 1996
- Late starter? - used 17 times, most recently in 2009
- Metric prefix - used 17 times, most recently in 2024
- Bar opener? - used 15 times, most recently in 2012
- It means "equal" - used 14 times, most recently in 2020
- Kin of equi- - used 13 times, most recently in 2025
- Prefix with propyl - used 13 times, most recently in 2024
- Prefix like equi- - used 12 times, most recently in 2026
- Prefix with thermal - used 12 times, most recently in 2021
- Looking for, in personal ads - used 11 times, most recently in 2026
- Equi- kin - used 9 times, most recently in 2025
- Prefix akin to equi- - used 9 times, most recently in 2025
- Prefix for metric - used 9 times, most recently in 2019
- Prefix with metric or bar - used 9 times, most recently in 2020
- Alike: Comb. form. - used 8 times, most recently in 1984
- Equi- equivalent - used 8 times, most recently in 2024
- Equi- relative - used 8 times, most recently in 2026
- Metric opener - used 8 times, most recently in 2011
- Same: Prefix - used 8 times, most recently in 2025
- Metric lead-in - used 7 times, most recently in 2017
- Prefix with lateral - used 7 times, most recently in 2024
- Prefix with tonic - used 7 times, most recently in 2022
- Metric opening - used 6 times, most recently in 2015
- The same: Prefix - used 6 times, most recently in 2024
Related clues
Clues in this collection of the same answer length that share a word with this clue, or match its answer pattern when no word is shared. Most used first.
- Green prefix - ECO, used 431 times
- Numerical prefix - TRI, used 247 times
- Earth-friendly prefix - ECO, used 181 times
- With it - HIP, used 149 times
- Prefix with center - EPI, used 134 times
- Recent: Prefix - NEO, used 120 times
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