troughton levels
Fetched 2026-10-26 (cache).
Synonyms: troughton level
Antonyms: troughton level
Related words from Datamuse; suggestions, not definitions.
Noun
- {{plural of|en|Troughton level}}
Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.