Brat·tain 
(brătn), Walter Houser 1902-1987.
(brătn), Walter Houser 1902-1987. American physicist. He shared a 1956 Nobel Prize for the development of the electronic transistor.
- radiobiological
- radiobiologist
- radiobiology
- radiobroadcast
- radiocarbon
- radiocarbon dating
- radiochemical
- radiochemistry
- radio collar
- radio compass
- radioecological
- radioecologist
- radioecology
- radio frequency
- radio frequency identification
- radio galaxy
- radiogenic
- radiogram
- radiograph
- radiographer
- radiographic
- radiographically
- radiography
- radioimmunoassay
- radioimmunological