"macrospin" meaning in English

{
  "etymology_templates": [
    {
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        "2": "macro",
        "3": "spin"
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      "expansion": "macro- + spin",
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  ],
  "etymology_text": "From macro- + spin.",
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      "expansion": "macrospin (not comparable)",
      "name": "en-adj"
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  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
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          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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          "orig": "en:Physics",
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            "All topics",
            "Fundamental"
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          "source": "w"
        }
      ],
      "glosses": [
        "Describing a single-domain approximation used in the analysis of spin valves."
      ],
      "id": "en-macrospin-en-adj-FXlrl4eH",
      "links": [
        [
          "physics",
          "physics"
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        [
          "approximation",
          "approximation"
        ],
        [
          "spin valve",
          "spin valve"
        ]
      ],
      "raw_glosses": [
        "(physics) Describing a single-domain approximation used in the analysis of spin valves."
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
    }
  ],
  "word": "macrospin"
}

{
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    {
      "args": {
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        "2": "macro",
        "3": "spin"
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      "expansion": "macro- + spin",
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  ],
  "etymology_text": "From macro- + spin.",
  "head_templates": [
    {
      "args": {
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      "expansion": "macrospin (not comparable)",
      "name": "en-adj"
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  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
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      "glosses": [
        "Describing a single-domain approximation used in the analysis of spin valves."
      ],
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        [
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          "physics"
        ],
        [
          "approximation",
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        ],
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          "spin valve",
          "spin valve"
        ]
      ],
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        "(physics) Describing a single-domain approximation used in the analysis of spin valves."
      ],
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        "natural-sciences",
        "physical-sciences",
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  "word": "macrospin"
}