Restrictor Plate - Motor Sports (gambling) and soluble (oh)

Restrictor Plate - Motor Sports (gambling)

A device, used by NASCAR and universally hated by nearly everyone else, used to control power in engines in the WC series, at tracks where the cars would otherwise be too fast for safety or insurance reasons. The plate is a machined slab of aluminum, about 1/20" thick, with four holes of a specific size. The plate goes in between the carb and intake manifold, and restricts the volume of fuel-air mix that may pass through.

soluble (oh)

[Date: 1300-1400; Language: Old French; Origin: Late Latin solubilis, from Latin solvere; SOLVE]
a soluble substance can be dissolved in a liquid
::soluble aspirin
water-soluble
(=that can be dissolved in water)
formal a problem that is soluble can be solved
-opposite insoluble insoluble
-- solubility /7sCljJ5bIlZti ?@ 7sB:-/ n [U]

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