"dynamic pressure" meaning in English

{
  "forms": [
    {
      "form": "dynamic pressures",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "dynamic pressure (plural dynamic pressures)",
      "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"
        }
      ],
      "examples": [
        {
          "text": "The high speed of a rocket during its ascent through the atmosphere generates considerable levels of dynamic pressure that the rocket's structure has to withstand without buckling.",
          "type": "example"
        }
      ],
      "glosses": [
        "The pressure exerted upon a body in contact with a fluid due to the relative motion between the two."
      ],
      "id": "en-dynamic_pressure-en-noun-5SUoHxsT",
      "links": [
        [
          "pressure",
          "pressure"
        ],
        [
          "fluid",
          "fluid"
        ],
        [
          "motion",
          "motion"
        ]
      ],
      "raw_glosses": [
        "(hydrodynamics) The pressure exerted upon a body in contact with a fluid due to the relative motion between the two."
      ],
      "topics": [
        "geography",
        "hydrodynamics",
        "hydrology",
        "natural-sciences",
        "physical-sciences",
        "physics"
      ],
      "wikipedia": [
        "dynamic pressure"
      ]
    }
  ],
  "word": "dynamic pressure"
}

{
  "forms": [
    {
      "form": "dynamic pressures",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "dynamic pressure (plural dynamic pressures)",
      "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",
        "English terms with usage examples"
      ],
      "examples": [
        {
          "text": "The high speed of a rocket during its ascent through the atmosphere generates considerable levels of dynamic pressure that the rocket's structure has to withstand without buckling.",
          "type": "example"
        }
      ],
      "glosses": [
        "The pressure exerted upon a body in contact with a fluid due to the relative motion between the two."
      ],
      "links": [
        [
          "pressure",
          "pressure"
        ],
        [
          "fluid",
          "fluid"
        ],
        [
          "motion",
          "motion"
        ]
      ],
      "raw_glosses": [
        "(hydrodynamics) The pressure exerted upon a body in contact with a fluid due to the relative motion between the two."
      ],
      "topics": [
        "geography",
        "hydrodynamics",
        "hydrology",
        "natural-sciences",
        "physical-sciences",
        "physics"
      ],
      "wikipedia": [
        "dynamic pressure"
      ]
    }
  ],
  "word": "dynamic pressure"
}