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chain letterchain lightning
Chain locker
chain mail
Chain molding
chain of mountains
chain pickerel
Chain pier
chain pike
Chain pipe
Chain plate
chain printer
Chain pulley
Chain pump
Chain pumps
chain reaction
-- chain reactor --
Chain riveting
Chain rule
chain saw
Chain shot
Chain stitch
chain store
Chain tie
Chain timber
chain tongs
chain up
Chain wales
Chain wheel
chain wrench
chain-smoke
chain-smoker
chained
chain reactor
| Noun | 1. |  chain reactor - a nuclear reactor that uses controlled nuclear fission to generate energy |