Bohr model

American  

[bawr mod-l] / ˈbɔr ˌmɒd l /

noun

Physics.

1. Also Bohr atomic model a representation of atomic structure in which the hydrogen atom Bohr atom is assumed to consist of a proton as the nucleus, with a single electron moving in distinct circular orbits around it, each orbit corresponding to a specific energy state: the Bohr model was later extended to other atoms.

---

Etymology

Origin of Bohr model

Introduced in 1913 by Danish physicist Niels Bohr, who modified and applied concepts of Ernest Rutherford

Example Sentences

Go to a salon's free hair model night?

From The Guardian • Oct. 10, 2019

The raven-locked, gamine former hair model in the clip is a world away from the strident, shock-haired androgyne that stormed to pole position in so many end-of-year album polls in 2014.

From The Guardian • Jul. 1, 2015

She struck up a deal with Fields; she’d give the young woman $500 if she’d volunteer to be a hair model for a few hours.

From Washington Times • Jan. 4, 2015

In fact, the entire country is falling to pieces without men like Galt, who is both a brilliant engineer and a professional hair model.

From Salon • Sep. 11, 2014