radon seed
Chemistry
noun
A short tube containing radon, used (especially formerly) in radiotherapy as a source of alpha radiation.
Origin
1920s.
- put the clocks back (or forward)
- put the fear of God in (or into) someone
- put the finger on
- put the flags (or flag) out
- put the frighteners on
- put the hard word on
- put their (or our or your) heads together
- put the lid (or the tin lid) on it
- put the make on
- put the mockers on
- put the question
- put the screws on
- put the skids under
- put the squeeze on
- put the tin lid on
- put-through
- puttied
- puttin'-aff
- putting cleek
- putting club
- putting green
- putting hole
- putting iron
- putting-off
- putting on