Meanings
nounFullerphone (plural Fullerphones)
plural Fullerphones
- historicalgovernmentA kind of buzzerphone designed to prevent messages being overheard by nearby enemies.
Origin
Invented by Algernon Clement Fuller.
Full word history & related roots →Cite this entry
APA
Fullerphone. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/Fullerphone
MLA
“Fullerphone.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Fullerphone. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “Fullerphone,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/Fullerphone.
Source: Fullerphone on Wiktionary, CC BY-SA 4.0.