"lookahead" meaning in Anglais

{
  "antonyms": [
    {
      "word": "lookbehind"
    }
  ],
  "categories": [
    {
      "kind": "other",
      "name": "Compositions en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Lemmes en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Anglais",
      "orig": "anglais",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Composé de look et de ahead."
  ],
  "forms": [
    {
      "form": "lookaheads",
      "ipas": [
        "\\lʊk.ə.ˈhɛdz\\"
      ],
      "tags": [
        "plural"
      ]
    }
  ],
  "hypernyms": [
    {
      "word": "lookaround"
    }
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "noun",
  "pos_title": "Nom commun",
  "related": [
    {
      "word": "lookaside"
    }
  ],
  "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 programmation",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "Our computer chess program uses lookahead to avoid difficult endgames."
        }
      ],
      "glosses": [
        "Analyse préalable aux décisions qui seront faites si une branche de l’algorithme était suivie."
      ],
      "id": "fr-lookahead-en-noun-zJvYu7EU",
      "topics": [
        "programming"
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en anglais des expressions rationnelles",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Regex permettant d’inclure ou pas ce qui suit une expression."
      ],
      "id": "fr-lookahead-en-noun-nkPnCgoP",
      "raw_tags": [
        "Expressions rationnelles"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\lʊk.ə.ˈhɛd\\"
    },
    {
      "audio": "en-uk-lookahead.ogg",
      "ipa": "lʊk.ə.ˈhɛd",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/3/30/En-uk-lookahead.ogg/En-uk-lookahead.ogg.mp3",
      "ogg_url": "https://commons.wikimedia.org/wiki/Special:FilePath/en-uk-lookahead.ogg",
      "raw_tags": [
        "Royaume-Uni"
      ]
    }
  ],
  "word": "lookahead"
}

{
  "antonyms": [
    {
      "word": "lookbehind"
    }
  ],
  "categories": [
    "Compositions en anglais",
    "Lemmes en anglais",
    "Noms communs en anglais",
    "anglais"
  ],
  "etymology_texts": [
    "Composé de look et de ahead."
  ],
  "forms": [
    {
      "form": "lookaheads",
      "ipas": [
        "\\lʊk.ə.ˈhɛdz\\"
      ],
      "tags": [
        "plural"
      ]
    }
  ],
  "hypernyms": [
    {
      "word": "lookaround"
    }
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "noun",
  "pos_title": "Nom commun",
  "related": [
    {
      "word": "lookaside"
    }
  ],
  "senses": [
    {
      "categories": [
        "Exemples en anglais",
        "Exemples en anglais à traduire",
        "Lexique en anglais de la programmation"
      ],
      "examples": [
        {
          "text": "Our computer chess program uses lookahead to avoid difficult endgames."
        }
      ],
      "glosses": [
        "Analyse préalable aux décisions qui seront faites si une branche de l’algorithme était suivie."
      ],
      "topics": [
        "programming"
      ]
    },
    {
      "categories": [
        "Lexique en anglais des expressions rationnelles"
      ],
      "glosses": [
        "Regex permettant d’inclure ou pas ce qui suit une expression."
      ],
      "raw_tags": [
        "Expressions rationnelles"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\lʊk.ə.ˈhɛd\\"
    },
    {
      "audio": "en-uk-lookahead.ogg",
      "ipa": "lʊk.ə.ˈhɛd",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/3/30/En-uk-lookahead.ogg/En-uk-lookahead.ogg.mp3",
      "ogg_url": "https://commons.wikimedia.org/wiki/Special:FilePath/en-uk-lookahead.ogg",
      "raw_tags": [
        "Royaume-Uni"
      ]
    }
  ],
  "word": "lookahead"
}