单词	root-bound
释义	root-bound adjective ˈrüt-ˌbau̇nd   also  ˈru̇t- variants or root bound or rootbound : having roots formed into a dense, tangled mass that allows little or no space for further growth These plants have a natural tendency to become root-bound, with their roots growing in a spiralling mass. This condition can be accelerated by tight, clay-like soils and shallow, frequent waterings which encourage corresponding shallow, lateral rooting. Maire Simington especially, of a potted plant : having roots formed into a dense, tangled mass that encircles the inside of a container and that allows little or no space for further growth : pot-bound Even if it's root-bound, a plant shouldn't be repotted just as it goes into the dormant season. Tovah Martin If plants are rootbound and dry out fast, repot into larger containers. Sunset Word History First Known Use 1841, in the meaning defined above
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