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Geiger

American

[gahy-ger] / ˈgaɪ gər /

noun

Hans 1882–1947, German physicist.

Geiger British

/ ˈɡaɪɡə /

noun

Hans (hans). 1882–1945, German physicist: developed the Geiger counter

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Geiger Scientific

/ gī′gər /

German physicist who was a pioneer in nuclear physics. He invented numerous instruments and techniques used to detect charged particles, including the Geiger counter (1908).

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Upon the plane’s return to the U.S., its “suitcase nuke” triggered the Geiger counters at an airport in Maine, convincing a customs agent that a nuclear bomb was about to strike America.

From The Wall Street Journal • Mar. 20, 2026

Management has said they expect that figure to drop significantly in 2026, when factoring out last year’s acquisition of Kurt Geiger, which makes handbags, footwear and other accessories.

From MarketWatch • Feb. 25, 2026

UBS analyst Dennis Geiger expects store count to increase 15% in 2026 and approach 2,000 by the end of the decade.

From Barron's • Dec. 31, 2025

Or a substantial cockroach-like robot, off on a little trip to check out a nuclear accident, wearing a cute little backpack, fearless, regardless of what the Geiger counter says.

From Salon • May 13, 2025

Eventually Mr. Geiger, the English teacher, came in and started talking.

From "We'll Fly Away" by Bryan Bliss

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023