Meanings
nounarmlength (plural armlengths)
plural armlengths
- natural sciencesThe length of each arm of an interferometer
Origin
- Middle Englisharmelengþ
- Englisharmlength
From Middle English armelengþ, arme lengþe, equivalent to arm + length.
More words from Middle English
Full word history & related roots →Cite this entry
APA
armlength. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/armlength
MLA
“armlength.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/armlength. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “armlength,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/armlength.
Source: armlength on Wiktionary, CC BY-SA 4.0.