Meanings
nounCasimir force (plural Casimir forces)
plural Casimir forces
- natural sciencesA physical force of attraction between very closely separated objects, due to random quantum fluctuations of the electromagnetic field in a vacuum; it is inversely proportional to the fourth power of the distance of separation
Synonyms: Casimir effect
Synonyms & antonyms
nounA physical force of attraction between very closely separated objects, due to random quantum fluctuations of the electromagnetic field in a vacuum; it is inversely proportional to the fourth power of the distance of separation
Similar
Origin
After Hendrik Casimir, Dutch physicist.
Full word history & related roots →Translations
Portuguese força Casimir, força de Casimir
- força Casimira physical force of attraction between very closely separated objects
- força de Casimira physical force of attraction between very closely separated objects
Cite this entry
APA
Casimir force. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Casimir%20force
MLA
“Casimir force.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Casimir%20force. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “Casimir force,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Casimir%20force.
Source: Casimir force on Wiktionary, CC BY-SA 4.0.