"tension superficielle" meaning in French

{
  "forms": [
    {
      "form": "tensions superficielles",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "tension superficielle f (plural tensions superficielles)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "fr",
          "name": "Liquids",
          "orig": "fr:Liquids",
          "parents": [
            "Matter",
            "Chemistry",
            "Nature",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "fr",
          "name": "Physics",
          "orig": "fr:Physics",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "surface tension"
      ],
      "id": "en-tension_superficielle-fr-noun-n~sIWEMX",
      "links": [
        [
          "surface tension",
          "surface tension"
        ]
      ],
      "tags": [
        "feminine"
      ],
      "wikipedia": [
        "fr:tension superficielle"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/tɑ̃.sjɔ̃ sy.pɛʁ.fi.sjɛl/"
    }
  ],
  "word": "tension superficielle"
}

{
  "forms": [
    {
      "form": "tensions superficielles",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "tension superficielle f (plural tensions superficielles)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "French countable nouns",
        "French entries with incorrect language header",
        "French feminine nouns",
        "French lemmas",
        "French multiword terms",
        "French nouns",
        "French nouns with red links in their headword lines",
        "French terms with IPA pronunciation",
        "Pages with 1 entry",
        "fr:Liquids",
        "fr:Physics"
      ],
      "glosses": [
        "surface tension"
      ],
      "links": [
        [
          "surface tension",
          "surface tension"
        ]
      ],
      "tags": [
        "feminine"
      ],
      "wikipedia": [
        "fr:tension superficielle"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/tɑ̃.sjɔ̃ sy.pɛʁ.fi.sjɛl/"
    }
  ],
  "word": "tension superficielle"
}