"flow stress" meaning in English

{
  "forms": [
    {
      "form": "flow stresses",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "flow stress (plural flow stresses)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English 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": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Materials science",
          "orig": "en:Materials science",
          "parents": [
            "Engineering",
            "Sciences",
            "Applied sciences",
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "The instantaneous value of stress (pressure) required to continue plastically deforming a material past the yield point, typically denoted as Y_f or σ_f."
      ],
      "id": "en-flow_stress-en-noun-amqd~dQH",
      "links": [
        [
          "materials science",
          "materials science"
        ],
        [
          "stress",
          "stress#Noun"
        ],
        [
          "pressure",
          "pressure#Noun"
        ],
        [
          "yield point",
          "yield point#Noun"
        ]
      ],
      "qualifier": "materials science",
      "raw_glosses": [
        "(materials science) The instantaneous value of stress (pressure) required to continue plastically deforming a material past the yield point, typically denoted as Y_f or σ_f."
      ]
    }
  ],
  "word": "flow stress"
}

{
  "forms": [
    {
      "form": "flow stresses",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "flow stress (plural flow stresses)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Materials science"
      ],
      "glosses": [
        "The instantaneous value of stress (pressure) required to continue plastically deforming a material past the yield point, typically denoted as Y_f or σ_f."
      ],
      "links": [
        [
          "materials science",
          "materials science"
        ],
        [
          "stress",
          "stress#Noun"
        ],
        [
          "pressure",
          "pressure#Noun"
        ],
        [
          "yield point",
          "yield point#Noun"
        ]
      ],
      "qualifier": "materials science",
      "raw_glosses": [
        "(materials science) The instantaneous value of stress (pressure) required to continue plastically deforming a material past the yield point, typically denoted as Y_f or σ_f."
      ]
    }
  ],
  "word": "flow stress"
}