river family
noun
Each of a group of long-established, wealthy families living in the Hudson River valley in New York State; usually in plural.
Origin
Mid 19th century.
- electron micrograph
- electron micrographic
- electron micrography
- electron microprobe
- electron microscope
- electron microscopic
- electron microscopist
- electron microscopy
- electron multiplier
- electron neutrino
- electronograph
- electronographic
- electronography
- electronometer
- electron-optical
- electron optics
- electron pair
- electron probe
- electron spin
- electron spin resonance
- electron telescope
- electron tube
- electronvolt
- electron wave
- electronystagmogram