Meanings
nounIR drop (uncountable)
- uncountableThe reduction of voltage that occurs naturally when an electrical current flows through a conductor's resistance.
Origin
From the symbols used in Ohm's law: I is current and R is resistance.
Full word history & related roots →Cite this entry
APA
IR drop. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/IR%20drop
MLA
“IR drop.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/IR%20drop. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “IR drop,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/IR%20drop.
Source: IR drop on Wiktionary, CC BY-SA 4.0.