"silver grain" meaning in English

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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "name": "Botany",
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      "glosses": [
        "The lines or narrow plates of cellular tissue which pass from the pith to the bark of an exogenous stem; the medullary rays. In the wood of the oak they are much larger than in that of the beech, maple, pine, cherry, etc."
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        "(botany) The lines or narrow plates of cellular tissue which pass from the pith to the bark of an exogenous stem; the medullary rays. In the wood of the oak they are much larger than in that of the beech, maple, pine, cherry, etc."
      ],
      "tags": [
        "uncountable"
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      "topics": [
        "biology",
        "botany",
        "natural-sciences"
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    }
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  "word": "silver grain"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "The lines or narrow plates of cellular tissue which pass from the pith to the bark of an exogenous stem; the medullary rays. In the wood of the oak they are much larger than in that of the beech, maple, pine, cherry, etc."
      ],
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        "(botany) The lines or narrow plates of cellular tissue which pass from the pith to the bark of an exogenous stem; the medullary rays. In the wood of the oak they are much larger than in that of the beech, maple, pine, cherry, etc."
      ],
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      "topics": [
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        "botany",
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  "word": "silver grain"
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