ripple box
noun
1 Mining a box containing ripples for use in extracting particles from a flow of water (now rare ).
2An electrical device for producing an appearance of ripples.
Origin
Mid 19th century; earliest use found in Alta California (San Francisco).
- trade way
- trade-weighted
- trade wind
- trade-wind cloud
- trade word
- tradey
- tradie
- trading
- trading account
- trading bloc
- trading card
- trading company
- trading estate
- trading floor
- trading house
- trading partner
- trading pit
- multisensual
- multiseptate
- multiserial
- multiseriate
- multiserver
- multiservice
- multisession
- multi-sheeted