"powdery mildew" meaning in English

{
  "forms": [
    {
      "form": "powdery mildews",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "powdery mildew (countable and uncountable, plural powdery mildews)",
      "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": "Mandarin terms with redundant transliterations",
          "parents": [
            "Terms with redundant transliterations",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A mildew affecting many important food crops, caused by fungi of the order Erysiphales."
      ],
      "id": "en-powdery_mildew-en-noun-AK6MJVjK",
      "links": [
        [
          "Erysiphales",
          "Erysiphales#Translingual"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "translations": [
        {
          "code": "ca",
          "lang": "Catalan",
          "sense": "type of mildew",
          "tags": [
            "masculine"
          ],
          "word": "oïdi"
        },
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "báifěnbìng",
          "sense": "type of mildew",
          "word": "白粉病"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "type of mildew",
          "word": "härmäsieni"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "type of mildew",
          "tags": [
            "masculine"
          ],
          "word": "oïdium"
        },
        {
          "code": "it",
          "lang": "Italian",
          "sense": "type of mildew",
          "tags": [
            "masculine"
          ],
          "word": "oidio"
        },
        {
          "code": "es",
          "lang": "Spanish",
          "sense": "type of mildew",
          "tags": [
            "masculine"
          ],
          "word": "oídio"
        },
        {
          "code": "uk",
          "lang": "Ukrainian",
          "roman": "ojídium",
          "sense": "type of mildew",
          "tags": [
            "masculine"
          ],
          "word": "ої́діум"
        },
        {
          "code": "uk",
          "lang": "Ukrainian",
          "roman": "borošnýsta rosá",
          "sense": "type of mildew",
          "tags": [
            "feminine"
          ],
          "word": "борошни́ста роса́"
        }
      ]
    }
  ],
  "word": "powdery mildew"
}

{
  "forms": [
    {
      "form": "powdery mildews",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "powdery mildew (countable and uncountable, plural powdery mildews)",
      "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",
        "Entries using missing taxonomic name (species)",
        "Mandarin terms with redundant transliterations"
      ],
      "glosses": [
        "A mildew affecting many important food crops, caused by fungi of the order Erysiphales."
      ],
      "links": [
        [
          "Erysiphales",
          "Erysiphales#Translingual"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "translations": [
    {
      "code": "ca",
      "lang": "Catalan",
      "sense": "type of mildew",
      "tags": [
        "masculine"
      ],
      "word": "oïdi"
    },
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "báifěnbìng",
      "sense": "type of mildew",
      "word": "白粉病"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "type of mildew",
      "word": "härmäsieni"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "type of mildew",
      "tags": [
        "masculine"
      ],
      "word": "oïdium"
    },
    {
      "code": "it",
      "lang": "Italian",
      "sense": "type of mildew",
      "tags": [
        "masculine"
      ],
      "word": "oidio"
    },
    {
      "code": "es",
      "lang": "Spanish",
      "sense": "type of mildew",
      "tags": [
        "masculine"
      ],
      "word": "oídio"
    },
    {
      "code": "uk",
      "lang": "Ukrainian",
      "roman": "ojídium",
      "sense": "type of mildew",
      "tags": [
        "masculine"
      ],
      "word": "ої́діум"
    },
    {
      "code": "uk",
      "lang": "Ukrainian",
      "roman": "borošnýsta rosá",
      "sense": "type of mildew",
      "tags": [
        "feminine"
      ],
      "word": "борошни́ста роса́"
    }
  ],
  "word": "powdery mildew"
}