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English definition of “marrow”

marrow

noun [U] (TISSUE)    /ˈmær.əʊ/ US  /-oʊ/ (also bone marrow)
soft tissue containing a lot of fat in the centre of a boneSubstances and structures in the body
(Definition of marrow noun (TISSUE) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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