Kirchhoff

American  

[keerkh-hawf] / ˈkirx hɔf /

noun

1. Gustav Robert 1824–87, German physicist.

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Kirchhoff British  

/ ˈkɪrçhɔf /

noun

1. 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

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Kirchhoff Scientific  

/ kîr′kôf′ /

1. German chemist who with Robert Bunsen discovered the elements cesium and rubidium. He also investigated the solar spectrum and researched electrical circuits and the flow of currents. His electromagnetic theory of diffraction is still the most commonly used in optics.

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Example Sentences

Even in high-resource countries with governments leading planning efforts or providing financial support for adaptations, Kirchhoff said, implementation still falls primarily to individuals.

From Science Daily • Oct. 24, 2023

The United States’ 2.2-million-mile drinking water and 800,000-mile sewer system was developed in part in response to the widespread waterborne diseases of the mid nineteenth century, Kirchhoff says.

From National Geographic • Jul. 17, 2023

In a blog post, product manager Drew Kirchhoff said the change would allow for "even richer storytelling and entertainment".

From BBC • Jul. 2, 2021

The weaknesses Mr. Kirchhoff identified were early warning signals of what has unfolded in the past three months.

From New York Times • Mar. 19, 2020

In the meantime, this great change will be helped by our keeping constantly before our minds the fact of the intrinsic relationship of all research, which Kirchhoff characterised with such classical simplicity.

From Popular scientific lectures by Mach, Ernst