"metallisation" meaning in English

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  "etymology_text": "From metal + -isation.",
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      "form": "metallisations",
      "tags": [
        "plural"
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  "lang_code": "en",
  "pos": "noun",
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          "text": "Figure 1.4 shows a modern thyristor encapsulated in a presspack housing and Figure 1.5 illustrates a typical interdigitated gate geometry in a high-power thyristor; the black areas indicate silicon ( Si0₂ ) and the white areas the Al metallisation.",
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      "tags": [
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  "word": "metallisation"
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  "etymology_text": "From metal + -isation.",
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      "form": "metallisations",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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