rheotome
Electricity now historical
noun
An apparatus for periodically interrupting an electric current.
Origin
Mid 19th century; earliest use found in Charles Wheatstone (1802–1875), developer of telegraphy.
- black-browed albatross
- black bryony
- blackbuck
- black bulgar
- black bun
- Blackburn
- Blackburnian
- Blackburnian warbler
- blackbutt
- black-butted
- black butter
- black cab
- black cabbage
- Black Canadian
- black canon
- blackcap
- black-capped
- black carbon
- Black Carib
- black cattle
- black caucus
- black cherry
- black chocolate
- black choler
- black church