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| clump [ klump ] |
noun (plural clumps) |
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| Definition: |
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1. cluster of things: a compact cluster or group of growing things
  a clump of moss
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2. mass of similar things: an undifferentiated mass of something
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3. cluster of cells: a cluster of cells such as bacteria or red blood cells, especially one formed during an immune response or when blood of incompatible blood groups is mixed
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verb (past and past participle clumped, present participle clump·ing, 3rd person present singular clumps) |
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| Definition: |
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1. transitive and intransitive verb combine things into mass: to be gathered or gather things into a mass
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2. transitive verb cause massing of cells: to cause cells such as bacteria or red blood cells to combine into a mass, especially as part of an immune response
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| [13th century. Probably < Low German klump] |
