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club·root | \ ˈkləb-ˌrüt 
, -ˌru̇t \
, -ˌru̇t \Definition of clubroot
: a disease of cruciferous plants (such as cabbage) caused by a slime mold (Plasmodiophora brassicae) producing swellings or distortions of the root
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Merriam-Webster unabridgedWords at Play
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Time Traveler for clubroot
The first known use of clubroot was in 1846
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