Chad·wick 
(chădwĭk), Sir James 1891-1974.
(chădwĭk), Sir James 1891-1974. British physicist. He won a 1935 Nobel Prize for his discovery of the neutron.
- sportswriter
- sportswriting
- sport utility vehicle
- sporty
- sporulate
- sporulation
- spot
- spot check
- spot-check
- spotless
- spotlessly
- spotlessness
- spotlight
- spot-on
- spot pass
- spot price
- Spotsylvania
- spottable
- spotted
- spotted cranesbill
- spotted fever
- spotted geranium
- spotted owl
- spotted salamander
- spotted sandpiper