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单词 dendrite
释义
dendrite

Physics
  • A crystal with a branching structure like that of a tree, formed when liquids solidify. The commonest example is the structure of snowflakes. Dendrites are particularly important in determining the properties of metals and alloys. In an alloy, the central part of a dendrite is richer in matter with higher melting points than the matter in the outer regions, which are slow to solidify. The growth of this type of crystal is called dendritic growth.


Chemistry
  • A crystal that has branched in growth into two parts. Crystals that grow in this way (dendritic growth) have a branching treelike appearance.


Chemical Engineering
  • A crystal that has grown into a tree-like structure.


Biology
  • Any of the slender branching processes that arise from the dendrons of the cell body of a neuron and transmit nerve impulses to the cell body. Dendrites can be very numerous and form connections (see synapse) with many other neurons or sensory cells.


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