Planck

American  

[plahngk] / plɑŋk /

noun

1. Max Karl Ernst 1858–1947, German physicist: Nobel Prize 1918.

---

Planck British  

/ plaŋk, plæŋk /

noun

1. Max ( Karl Ernst Ludwig ) (maks). 1858–1947, German physicist who first formulated the quantum theory (1900): Nobel prize for physics 1918

---

Planck Scientific  

/ plängk /

1. German physicist who in 1900 formulated quantum theory, which explained and predicted certain phenomena that could not be accounted for in classical physics. Planck's theory was essential to the work of Albert Einstein, Niels Bohr, and many other modern physicists. In 1918 he won the Nobel Prize for physics.

---

Example Sentences

See Examples For:

Planck

In total, about 160 small slices of Donnie's brain and spinal cord were kept in the archives of the Munich research centre - later renamed the Max Planck Institute for Psychiatry - ever since.

From BBC ● Jun. 17, 2026

"This study allows us to see how people lived through change," says Eleftheria Orfanou, PhD candidate at the Max Planck Institute for Evolutionary Anthropology in Leipzig and lead author of the study.

From Science Daily ● May 19, 2026

It will draw on decades of work done by Germany's Max Planck Institute for Plasma Physics and its stellarator the W7-X.

From BBC ● Apr. 20, 2026

"Even small changes in their environment can make them suspicious," said Loretto, who is at the University of Veterinary Medicine in Vienna, and began the research at the Max Planck Institute of Animal Behavior.

From Barron's ● Mar. 12, 2026

Margaret Planck said I smelled like cow dung.

From "Worth" by A. LaFaye