"IR" meaning in Anglais

{
  "categories": [
    {
      "kind": "other",
      "name": "Adjectifs en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Lemmes en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Anglais",
      "orig": "anglais",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "(1) Initiales de infrared (« infrarouge »).",
    "(2) Initiales de information retrieval (« recherche d'information »)."
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "adj",
  "pos_title": "Adjectif",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en anglais",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Exemples en anglais à traduire",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Lexique en anglais de la physique",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "Ho SeongHwang, Margaret J. Geller, Dust-Obscured Galaxies in the Local Universe, 2013",
          "text": "We compare the physical properties of local DOGs with a control sample of galaxies that have lower S12μm/S0.22μm but have similar redshift, IR luminosity, and stellar mass distributions. […] Many physical properties of local DOGs are similar to those of high-z DOGs, even though the IR luminosities of local objects are an order of magnitude lower than for the high-z objects: the presence of two classes (active galactic nuclei- and star formation-dominated) of DOGs, abnormal faintness in the UV rather than extreme brightness in the mid-infrared, and diverse optical morphology."
        }
      ],
      "glosses": [
        "IR, infrarouge."
      ],
      "id": "fr-IR-en-adj-fnClR1c0",
      "tags": [
        "physical"
      ]
    }
  ],
  "tags": [
    "invariable"
  ],
  "word": "IR"
}

{
  "categories": [
    {
      "kind": "other",
      "name": "Lemmes en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Sigles en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Anglais",
      "orig": "anglais",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "(1) Initiales de infrared (« infrarouge »).",
    "(2) Initiales de information retrieval (« recherche d'information »)."
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "noun",
  "pos_title": "Nom commun",
  "raw_tags": [
    "Sigle"
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en anglais de la physique",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "IR, infrarouge."
      ],
      "id": "fr-IR-en-noun-fnClR1c0",
      "tags": [
        "physical"
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en anglais de l’informatique",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Recherche d'information."
      ],
      "id": "fr-IR-en-noun-fmTtwG-e",
      "topics": [
        "computing"
      ]
    }
  ],
  "tags": [
    "invariable"
  ],
  "word": "IR"
}

{
  "categories": [
    "Adjectifs en anglais",
    "Lemmes en anglais",
    "anglais"
  ],
  "etymology_texts": [
    "(1) Initiales de infrared (« infrarouge »).",
    "(2) Initiales de information retrieval (« recherche d'information »)."
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "adj",
  "pos_title": "Adjectif",
  "senses": [
    {
      "categories": [
        "Exemples en anglais",
        "Exemples en anglais à traduire",
        "Lexique en anglais de la physique"
      ],
      "examples": [
        {
          "ref": "Ho SeongHwang, Margaret J. Geller, Dust-Obscured Galaxies in the Local Universe, 2013",
          "text": "We compare the physical properties of local DOGs with a control sample of galaxies that have lower S12μm/S0.22μm but have similar redshift, IR luminosity, and stellar mass distributions. […] Many physical properties of local DOGs are similar to those of high-z DOGs, even though the IR luminosities of local objects are an order of magnitude lower than for the high-z objects: the presence of two classes (active galactic nuclei- and star formation-dominated) of DOGs, abnormal faintness in the UV rather than extreme brightness in the mid-infrared, and diverse optical morphology."
        }
      ],
      "glosses": [
        "IR, infrarouge."
      ],
      "tags": [
        "physical"
      ]
    }
  ],
  "tags": [
    "invariable"
  ],
  "word": "IR"
}

{
  "categories": [
    "Lemmes en anglais",
    "Noms communs en anglais",
    "Sigles en anglais",
    "anglais"
  ],
  "etymology_texts": [
    "(1) Initiales de infrared (« infrarouge »).",
    "(2) Initiales de information retrieval (« recherche d'information »)."
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "noun",
  "pos_title": "Nom commun",
  "raw_tags": [
    "Sigle"
  ],
  "senses": [
    {
      "categories": [
        "Lexique en anglais de la physique"
      ],
      "glosses": [
        "IR, infrarouge."
      ],
      "tags": [
        "physical"
      ]
    },
    {
      "categories": [
        "Lexique en anglais de l’informatique"
      ],
      "glosses": [
        "Recherche d'information."
      ],
      "topics": [
        "computing"
      ]
    }
  ],
  "tags": [
    "invariable"
  ],
  "word": "IR"
}