"alpha max" meaning in English

{
  "forms": [
    {
      "form": "alpha maxes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "alpha max (countable and uncountable, plural alpha maxes)",
      "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": "topical",
          "langcode": "en",
          "name": "Aviation",
          "orig": "en:Aviation",
          "parents": [
            "Aeronautics",
            "Transport",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "The maximum angle of attack (AoA), maximum nose-up angle. The highest degree of displacement from (relative) horizontal (the airstream, not the ground level, nor the theoretical flat gravitational surface), that an airplane can achieve and still maintain forward flight (without stalling), at the speed that the aircraft is travelling."
      ],
      "id": "en-alpha_max-en-noun-0xQMf0BD",
      "links": [
        [
          "aviation",
          "aviation"
        ],
        [
          "angle of attack",
          "angle of attack"
        ],
        [
          "AoA",
          "AoA"
        ],
        [
          "maximum",
          "maximum"
        ],
        [
          "stalling",
          "stalling"
        ]
      ],
      "raw_glosses": [
        "(aviation) The maximum angle of attack (AoA), maximum nose-up angle. The highest degree of displacement from (relative) horizontal (the airstream, not the ground level, nor the theoretical flat gravitational surface), that an airplane can achieve and still maintain forward flight (without stalling), at the speed that the aircraft is travelling."
      ],
      "synonyms": [
        {
          "word": "critical angle of attack"
        },
        {
          "word": "critical angle"
        },
        {
          "word": "a max"
        },
        {
          "word": "α max"
        },
        {
          "word": "Vα max"
        },
        {
          "word": "Va max"
        },
        {
          "word": "V alpha max"
        }
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "topics": [
        "aeronautics",
        "aerospace",
        "aviation",
        "business",
        "engineering",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "alpha max"
}

{
  "forms": [
    {
      "form": "alpha maxes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "alpha max (countable and uncountable, plural alpha maxes)",
      "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 uncountable nouns",
        "en:Aviation"
      ],
      "glosses": [
        "The maximum angle of attack (AoA), maximum nose-up angle. The highest degree of displacement from (relative) horizontal (the airstream, not the ground level, nor the theoretical flat gravitational surface), that an airplane can achieve and still maintain forward flight (without stalling), at the speed that the aircraft is travelling."
      ],
      "links": [
        [
          "aviation",
          "aviation"
        ],
        [
          "angle of attack",
          "angle of attack"
        ],
        [
          "AoA",
          "AoA"
        ],
        [
          "maximum",
          "maximum"
        ],
        [
          "stalling",
          "stalling"
        ]
      ],
      "raw_glosses": [
        "(aviation) The maximum angle of attack (AoA), maximum nose-up angle. The highest degree of displacement from (relative) horizontal (the airstream, not the ground level, nor the theoretical flat gravitational surface), that an airplane can achieve and still maintain forward flight (without stalling), at the speed that the aircraft is travelling."
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "topics": [
        "aeronautics",
        "aerospace",
        "aviation",
        "business",
        "engineering",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "critical angle of attack"
    },
    {
      "word": "critical angle"
    },
    {
      "word": "a max"
    },
    {
      "word": "α max"
    },
    {
      "word": "Vα max"
    },
    {
      "word": "Va max"
    },
    {
      "word": "V alpha max"
    }
  ],
  "word": "alpha max"
}