1 a hand tool with a bit shaped like a corkscrew, for boring holes in wood
2 a larger tool of the same kind for boring holes in the ground (C15 an augur, resulting from mistaken division of earlier a nauger, from Old English nafugar nave (of a wheel) spear (that is, tool for boring hubs of wheels), from nafu nave2 + gar spear; see gore2)
n the emission of an electron instead of a photon by an excited ion as a result of a vacancy being filled in an inner electron shell
(C20: named after Pierre Auger (1899--1993), French physicist)
English Collins Dictionary - English Definition & Thesaurus
To add entries to your own vocabulary, become a member of Reverso community or login if you are already a member.
It's easy and only takes a few seconds:
- Create your own vocabulary list
- Contribute to the Collaborative Dictionary
- Improve and share your linguistic knowledge
"Collins English Dictionary 5th Edition first published in 2000 © HarperCollins Publishers 1979, 1986, 1991, 1994, 1998, 2000 and Collins A-Z Thesaurus 1st edition first published in 1995 © HarperCollins Publishers 1995"