"nano-electron volt" meaning in Anglais

{
  "categories": [
    {
      "kind": "other",
      "name": "Dérivations en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Locutions nominales en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mots en anglais préfixés avec nano-",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Anglais",
      "orig": "anglais",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Dérivé de electronvolt, avec le préfixe nano-."
  ],
  "forms": [
    {
      "form": "nanoelectronvolt",
      "sense": "préférable"
    }
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "noun",
  "pos_title": "Locution nominale",
  "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"
        },
        {
          "kind": "other",
          "name": "Termes extrêmement rares en anglais",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Unités de mesure en anglais",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "IanAnderson et John Gribbin, “Second helpings of the sixth force”, in New Scientist, vol. 117, nᵒ 1594, 7 janvier 1988, page 39",
          "text": "These hypothetical particles are called the graviphoton and the graviscalar, and they would have masses at rest of one nano-electron volt or less. A nano-electron volt is one-billionth (10⁻⁹) of an electronvolt (eV); for comparison, the mass of a proton is 938 million eV. The graviphoton and graviscalar, if they exist, are by far the lightest particles."
        }
      ],
      "glosses": [
        "Nanoélectronvolt."
      ],
      "id": "fr-nano-electron_volt-en-noun-8BXhE7j1",
      "raw_tags": [
        "Extrêmement rare"
      ],
      "tags": [
        "physical"
      ],
      "topics": [
        "metrology"
      ]
    }
  ],
  "word": "nano-electron volt"
}

{
  "categories": [
    "Dérivations en anglais",
    "Locutions nominales en anglais",
    "Mots en anglais préfixés avec nano-",
    "anglais"
  ],
  "etymology_texts": [
    "Dérivé de electronvolt, avec le préfixe nano-."
  ],
  "forms": [
    {
      "form": "nanoelectronvolt",
      "sense": "préférable"
    }
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "noun",
  "pos_title": "Locution nominale",
  "senses": [
    {
      "categories": [
        "Exemples en anglais",
        "Exemples en anglais à traduire",
        "Lexique en anglais de la physique",
        "Termes extrêmement rares en anglais",
        "Unités de mesure en anglais"
      ],
      "examples": [
        {
          "ref": "IanAnderson et John Gribbin, “Second helpings of the sixth force”, in New Scientist, vol. 117, nᵒ 1594, 7 janvier 1988, page 39",
          "text": "These hypothetical particles are called the graviphoton and the graviscalar, and they would have masses at rest of one nano-electron volt or less. A nano-electron volt is one-billionth (10⁻⁹) of an electronvolt (eV); for comparison, the mass of a proton is 938 million eV. The graviphoton and graviscalar, if they exist, are by far the lightest particles."
        }
      ],
      "glosses": [
        "Nanoélectronvolt."
      ],
      "raw_tags": [
        "Extrêmement rare"
      ],
      "tags": [
        "physical"
      ],
      "topics": [
        "metrology"
      ]
    }
  ],
  "word": "nano-electron volt"
}