Meanings
nounJJ (plural JJs)
plural JJs
- abbreviationinitialismnatural sciencesInitialism of Josephson junction.
Cite this entry
APA
JJ. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/JJ
MLA
“JJ.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/JJ. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “JJ,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/JJ.
Source: JJ on Wiktionary, CC BY-SA 4.0.