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单词 solid
释义
solid

Physics
  • A state of matter in which there is a three-dimensional regularity of structure, resulting from the proximity of the component atoms, ions, or molecules and the strength of the forces between them. Solids can be crystalline or amorphous. If a crystalline solid is heated, the kinetic energy of the components increases. At a specific temperature, called the melting point, the forces between the components become unable to contain them within the crystal structure. At this temperature, the lattice breaks down and the solid becomes a liquid.


Mathematics
  • A 3-dimensional geometric figure such as a cube or cylinder.


Chemistry
  • A state of matter in which there is a three-dimensional structure, resulting from the proximity of the component atoms, ions, or molecules and the strength of the forces between them. If a solid is heated, the kinetic energy of the components increases. At a specific temperature, called the melting point, the forces between the components become unable to contain them within the crystal structure. At this temperature, the lattice breaks down and the solid becomes a liquid.


Chemical Engineering
  • A substance in a physical state that is resistant to physical change in size and shape. More correctly, it is a state of matter where the strength of the intermolecular and atomic forces is such that there is no translational motion within the substance. Held within a lattice framework, the molecules themselves do, however, vibrate about their average position.


Geology and Earth Sciences
  • Applied to a map (e.g. in Britain one published by the Geological Survey) which depicts the outcrop patterns of rocks unobscured by their cover of recent superficial deposits (e.g. glacial, alluvial, or marine sediments).


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