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 (kîr′kôf′, kîrKH′hôf), Gustav Robert 1824-1887.
German physicist noted for his research in spectrum analysis, optics, and electricity.


(German ˈkɪrçhɔf)
(Biography) Gustav Robert (ˈɡʊstaf ˈroːbɛrt). 1824–87, German physicist. With Bunsen he developed the method of spectrum analysis that led to their discovery of caesium (1860) and rubidium (1861): also worked on electrical networks


(ˈkɪər kɔf, -kɒf, ˈkɪərx hɔf)

Gustav Robert, 1824–87, German physicist.
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Noun1.Kirchhoff - German physicist who with Bunsen pioneered spectrum analysis and formulated two laws governing electric networks (1824-1887)
References in periodicals archive ?
Kirchhoff's law of thermal emission was formulated in 1859 [1,2].
PHIL PARKINSON wants new recruit Jan Kirchhoff to be patient before helping Bolton to avoid the drop.
In recent years, a lot of scholars have studied the singular Kirchhoff problem (for more details, we refer the reader to [1-4]), the Schrodinger-Poisson system (we refer the reader to [5-8]), and the Kirchhoff-Schrodinger-Poisson system (we refer the reader to [9-12]).
In [4], Figueiredo and Severo established the existence of a positive ground state solution for a Kirchhoff problem in [R.sup.2] involving critical exponential growth.
KHAZRI CURBED SAM Allardyce's remarkable revival last season was based in part on the return he got from his January swoops for Lamine Kone, Jan Kirchhoff and Wahbi Khazri.
Besides, the nonlinear integro-partial-differential equation called Kirchhoff's model is also used for describing the transverse motion of axially moving strings [33-35].
McNair's problem is the latest in a catalogue of long-term injury woes for David Moyes, who currently has Lee Cattermole and Fabio Borini sidelined long-term, while Vito Mannone, Jan Kirchhoff, and Seb Larsson, have also missed been absent for lengthy spells.
In this book, editor Helmut Kirchhoff presents readers with a collection of academic and professional contributions that together make a comprehensive guide to current research and future potential study of chloroplasts.
Patrick van Aanholt, Billy Jones, Jan Kirchhoff and Jack Rodwell all joined Jermain Defoe on the treatment table, although only Kirchhoff's injury is thought to be a major concern.
And, for German defender Jan Kirchhoff, there was the proverbial baptism of fire.
SAM ALLARDYCE admits it was a risk signing Jan Kirchhoff after the defender endured a debut to forget in Sunderland's defeat at Tottenham yesterday lunchtime.
Jesse Kirchhoff of Handyman Solutions said, "Our goal is to educate the community on how to get the best results for all their property improvement projects at any budget.