proof bar
Metallurgy
noun
A metal bar which can be inserted into a furnace or the like and withdrawn periodically to give an indication of how the process is progressing.
Origin
Late 19th century; earliest use found in Lockwood's Dictionary of Mechanical Engineering.
- overmuchness
- over my dead body
- overner
- overnet
- over-netted
- overnetting
- overnice
- overnight
- overnight bag
- overnight cabin
- overnight case
- overnighter
- overnight telegram
- overnote
- over-number
- overnumber
- overnumbered
- overnumerous
- over-oaked
- royal mortar
- royal moth
- Royal National Lifeboat Institution
- Royal Naval Reserve
- Royal Navy
- royalness