knowing one
slang (now historical )
noun
A person claiming to be knowledgeable about horse racing, or other sporting matters (chiefly in plural); also in extended use.
Origin
Mid 18th century; earliest use found in Letters Moor at London.
- radioactivate
- radioactivation
- radioactivation analysis
- radioactive
- radioactive constant
- radioactive equilibrium
- radioactive indicator
- radioactively
- radioactive series
- radioactive tracer
- radioactive waste
- radioactivity
- radio alarm
- radio alarm clock
- radioallergosorbent
- radio altimeter
- radio amateur
- radioanalysis
- radioassay
- radio astronomer
- radio-astronomical
- radio astronomy
- radio-atom
- radioautograph
- radioautographic