"active photolocation" meaning in English

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      "expansion": "active photolocation (uncountable)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "name": "Ichthyology",
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      "coordinate_terms": [
        {
          "word": "occular radiance"
        },
        {
          "word": "occular spark"
        },
        {
          "word": "bioluminescence"
        },
        {
          "word": "phosphorescence"
        },
        {
          "word": "fluorescence"
        },
        {
          "word": "reflection"
        }
      ],
      "glosses": [
        "The use of light originating from the organism to illuminate the visual field to see into the field of vision."
      ],
      "hyponyms": [
        {
          "english": "the use daylight for phosphorescence, fluorescence, reflection, that then illuminates the visual field, for vision, instead-of/in-addition-to daylight itself illuminating the field of view",
          "word": "diurnal active photolocation"
        }
      ],
      "id": "en-active_photolocation-en-noun-LO-Od1Rq",
      "links": [
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          "ichthyology",
          "ichthyology"
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      "raw_glosses": [
        "(ichthyology) The use of light originating from the organism to illuminate the visual field to see into the field of vision."
      ],
      "related": [
        {
          "word": "active echolocation"
        },
        {
          "word": "active lidar"
        },
        {
          "word": "active radar"
        },
        {
          "word": "active sonar"
        },
        {
          "word": "lampfish"
        },
        {
          "word": "lanternfish"
        },
        {
          "word": "flashlight fish"
        },
        {
          "word": "dragonfish"
        },
        {
          "word": "blenny"
        }
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      "topics": [
        "biology",
        "ichthyology",
        "natural-sciences",
        "zoology"
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  ],
  "word": "active photolocation"
}

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    {
      "word": "phosphorescence"
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    {
      "word": "fluorescence"
    },
    {
      "word": "reflection"
    }
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  "hyponyms": [
    {
      "english": "the use daylight for phosphorescence, fluorescence, reflection, that then illuminates the visual field, for vision, instead-of/in-addition-to daylight itself illuminating the field of view",
      "word": "diurnal active photolocation"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "active echolocation"
    },
    {
      "word": "active lidar"
    },
    {
      "word": "active radar"
    },
    {
      "word": "active sonar"
    },
    {
      "word": "lampfish"
    },
    {
      "word": "lanternfish"
    },
    {
      "word": "flashlight fish"
    },
    {
      "word": "dragonfish"
    },
    {
      "word": "blenny"
    }
  ],
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      "glosses": [
        "The use of light originating from the organism to illuminate the visual field to see into the field of vision."
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          "ichthyology",
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        "(ichthyology) The use of light originating from the organism to illuminate the visual field to see into the field of vision."
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  "word": "active photolocation"
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