"optical tweezer" meaning in English

{
  "forms": [
    {
      "form": "optical tweezers",
      "tags": [
        "plural"
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      "expansion": "optical tweezer (plural optical tweezers)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "examples": [
        {
          "ref": "2003, L. Allen, Stephen M. Barnett, Miles J. Padgett, Optical Angular Momentum, page 240:",
          "text": "This angular momentum has been transferred to macroscopic particles trapped in an optical tweezer causing them to rotate.",
          "type": "quote"
        },
        {
          "ref": "2006, Banafshe Larijani, Colin A. Rosser, Rudiger Woscholski, Chemical Biology: Techniques and Applications, page 207:",
          "text": "In order to make calibrated measurements from single molecules two more items are required: (1) a four-quadrant photodiode position sensor (4QD) to accurately measure the position of the bead held in the optical tweezer (Figure 12.5); […]",
          "type": "quote"
        }
      ],
      "glosses": [
        "A scientific instrument that uses a highly focused laser beam to hold and move the microscopic or smaller objects such as atoms and droplets, in a manner similar to tweezers."
      ],
      "id": "en-optical_tweezer-en-noun-aAb4p-CO",
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          "scientific",
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        [
          "instrument",
          "instrument"
        ],
        [
          "laser beam",
          "laser beam"
        ],
        [
          "microscopic",
          "microscopic"
        ],
        [
          "atom",
          "atom"
        ],
        [
          "droplet",
          "droplet"
        ],
        [
          "tweezers",
          "tweezers"
        ]
      ],
      "related": [
        {
          "word": "optical levitation"
        }
      ]
    }
  ],
  "word": "optical tweezer"
}

{
  "forms": [
    {
      "form": "optical tweezers",
      "tags": [
        "plural"
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      "expansion": "optical tweezer (plural optical tweezers)",
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  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "optical levitation"
    }
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        {
          "ref": "2003, L. Allen, Stephen M. Barnett, Miles J. Padgett, Optical Angular Momentum, page 240:",
          "text": "This angular momentum has been transferred to macroscopic particles trapped in an optical tweezer causing them to rotate.",
          "type": "quote"
        },
        {
          "ref": "2006, Banafshe Larijani, Colin A. Rosser, Rudiger Woscholski, Chemical Biology: Techniques and Applications, page 207:",
          "text": "In order to make calibrated measurements from single molecules two more items are required: (1) a four-quadrant photodiode position sensor (4QD) to accurately measure the position of the bead held in the optical tweezer (Figure 12.5); […]",
          "type": "quote"
        }
      ],
      "glosses": [
        "A scientific instrument that uses a highly focused laser beam to hold and move the microscopic or smaller objects such as atoms and droplets, in a manner similar to tweezers."
      ],
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          "droplet",
          "droplet"
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          "tweezers",
          "tweezers"
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  ],
  "word": "optical tweezer"
}