"part per trillion" meaning in Anglais

{
  "abbreviation": [
    {
      "raw_tags": [
        "Beaucoup plus courant"
      ],
      "word": "ppt"
    }
  ],
  "categories": [
    {
      "kind": "other",
      "name": "Locutions nominales en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Termes généralement pluriels en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Anglais",
      "orig": "anglais",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Composé de part (« partie »), per (« par ») et trillion (« billion »)."
  ],
  "forms": [
    {
      "form": "parts per trillion",
      "ipas": [
        "\\ˈpɑɹts pɚ ˈtɹɪl.jən\\",
        "\\ˈpɑːts pə ˈtɹɪl.jən\\"
      ],
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "notes": [
    "Ce terme est généralement utilisé au pluriel."
  ],
  "pos": "noun",
  "pos_title": "Locution nominale",
  "related": [
    {
      "word": "part per billion"
    },
    {
      "word": "part per million"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en anglais de la chimie",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Unités de mesure en anglais",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Partie par billion."
      ],
      "id": "fr-part_per_trillion-en-noun-A1w5~y-M",
      "topics": [
        "chemistry",
        "metrology"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈpɑɹt pɚ ˈtɹɪl.jən\\",
      "raw_tags": [
        "États-Unis"
      ]
    },
    {
      "ipa": "\\ˈpɑːt pə ˈtɹɪl.jən\\",
      "raw_tags": [
        "Royaume-Uni"
      ]
    }
  ],
  "word": "part per trillion"
}

{
  "abbreviation": [
    {
      "raw_tags": [
        "Beaucoup plus courant"
      ],
      "word": "ppt"
    }
  ],
  "categories": [
    "Locutions nominales en anglais",
    "Termes généralement pluriels en anglais",
    "anglais"
  ],
  "etymology_texts": [
    "Composé de part (« partie »), per (« par ») et trillion (« billion »)."
  ],
  "forms": [
    {
      "form": "parts per trillion",
      "ipas": [
        "\\ˈpɑɹts pɚ ˈtɹɪl.jən\\",
        "\\ˈpɑːts pə ˈtɹɪl.jən\\"
      ],
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "notes": [
    "Ce terme est généralement utilisé au pluriel."
  ],
  "pos": "noun",
  "pos_title": "Locution nominale",
  "related": [
    {
      "word": "part per billion"
    },
    {
      "word": "part per million"
    }
  ],
  "senses": [
    {
      "categories": [
        "Lexique en anglais de la chimie",
        "Unités de mesure en anglais"
      ],
      "glosses": [
        "Partie par billion."
      ],
      "topics": [
        "chemistry",
        "metrology"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈpɑɹt pɚ ˈtɹɪl.jən\\",
      "raw_tags": [
        "États-Unis"
      ]
    },
    {
      "ipa": "\\ˈpɑːt pə ˈtɹɪl.jən\\",
      "raw_tags": [
        "Royaume-Uni"
      ]
    }
  ],
  "word": "part per trillion"
}