Meanings
verbadd in quadrature (third-person singular simple present adds in quadrature, present participle adding in quadrature, simple past and past participle added in quadrature)
present singular third person adds in quadrature · participle present adding in quadrature · participle past added in quadrature · past added in quadrature
- engineeringTo combine the magnitude of two uncorrelated signals, usually noise or errors, by taking the square root of the sum of the squares.
The derived expression for the g‐r noise consists of a thermal component and a background component which add in quadrature.
1982, “Theory of generation‐recombination noise in intrinsic photoconductors”, in Journal of Applied Physics, volume 53, →DOI
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APA
add in quadrature. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/add%20in%20quadrature
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“add in quadrature.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/add%20in%20quadrature. Accessed November 5, 2026.
Chicago
WatkinsX Dictionary, s.v. “add in quadrature,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/add%20in%20quadrature.
Source: add in quadrature on Wiktionary, CC BY-SA 4.0.