"tensão superficial" meaning in Portuguese

{
  "forms": [
    {
      "form": "tensões superficiais",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "tensão superficial f (plural tensões superficiais)",
      "name": "pt-noun"
    }
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Portuguese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "pt",
          "name": "Physics",
          "orig": "pt:Physics",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "surface tension (effect on the surface of a liquid that makes it behave as a stretched elastic membrane)"
      ],
      "id": "en-tensão_superficial-pt-noun-aeeE1LbF",
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "surface tension",
          "surface tension"
        ]
      ],
      "raw_glosses": [
        "(physics) surface tension (effect on the surface of a liquid that makes it behave as a stretched elastic membrane)"
      ],
      "tags": [
        "feminine"
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
    }
  ],
  "word": "tensão superficial"
}

{
  "forms": [
    {
      "form": "tensões superficiais",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "tensão superficial f (plural tensões superficiais)",
      "name": "pt-noun"
    }
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Portuguese countable nouns",
        "Portuguese entries with incorrect language header",
        "Portuguese feminine nouns",
        "Portuguese lemmas",
        "Portuguese multiword terms",
        "Portuguese nouns",
        "Portuguese nouns with red links in their headword lines",
        "pt:Physics"
      ],
      "glosses": [
        "surface tension (effect on the surface of a liquid that makes it behave as a stretched elastic membrane)"
      ],
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "surface tension",
          "surface tension"
        ]
      ],
      "raw_glosses": [
        "(physics) surface tension (effect on the surface of a liquid that makes it behave as a stretched elastic membrane)"
      ],
      "tags": [
        "feminine"
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
    }
  ],
  "word": "tensão superficial"
}