Meanings
nounmonomark (plural monomarks)
plural monomarks
- UKhistoricalA short alphanumeric sequence used in place of a postal address.
Origin
From mono- + mark. The original company, British Monomarks Ltd, launched its service in 1925.
Full word history & related roots →Cite this entry
APA
monomark. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/monomark
MLA
“monomark.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/monomark. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “monomark,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/monomark.
Source: monomark on Wiktionary, CC BY-SA 4.0.