"submicron" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "sub",
        "3": "micron"
      },
      "expansion": "sub- + micron",
      "name": "prefix"
    }
  ],
  "etymology_text": "From sub- + micron.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "adjective"
      },
      "expansion": "submicron",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "langcode": "en",
          "name": "Physics",
          "orig": "en:Physics",
          "parents": [],
          "source": "w"
        },
        {
          "_dis": "89 11",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "84 16",
          "kind": "other",
          "name": "English terms prefixed with sub-",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "88 6 0 6",
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "93 4 0 4",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Smaller than micron-scale"
      ],
      "id": "en-submicron-en-adj-~k~bkLR6",
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "micron",
          "micron"
        ]
      ],
      "raw_glosses": [
        "(physics) Smaller than micron-scale"
      ],
      "related": [
        {
          "word": "subnanometer"
        }
      ],
      "synonyms": [
        {
          "word": "submicronic"
        }
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
    }
  ],
  "word": "submicron"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "sub",
        "3": "micron"
      },
      "expansion": "sub- + micron",
      "name": "prefix"
    }
  ],
  "etymology_text": "From sub- + micron.",
  "forms": [
    {
      "form": "submicrons",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "submicron (plural submicrons)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "A unit smaller than a micron."
      ],
      "id": "en-submicron-en-noun-JaQHhI3K"
    }
  ],
  "word": "submicron"
}

{
  "categories": [
    "English adjectives",
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English terms prefixed with sub-",
    "Pages with 2 entries",
    "Pages with entries"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "sub",
        "3": "micron"
      },
      "expansion": "sub- + micron",
      "name": "prefix"
    }
  ],
  "etymology_text": "From sub- + micron.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "adjective"
      },
      "expansion": "submicron",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "related": [
    {
      "word": "subnanometer"
    }
  ],
  "senses": [
    {
      "categories": [
        "en:Physics"
      ],
      "glosses": [
        "Smaller than micron-scale"
      ],
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "micron",
          "micron"
        ]
      ],
      "raw_glosses": [
        "(physics) Smaller than micron-scale"
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "submicronic"
    }
  ],
  "word": "submicron"
}

{
  "categories": [
    "English adjectives",
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English terms prefixed with sub-",
    "Pages with 2 entries",
    "Pages with entries"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "sub",
        "3": "micron"
      },
      "expansion": "sub- + micron",
      "name": "prefix"
    }
  ],
  "etymology_text": "From sub- + micron.",
  "forms": [
    {
      "form": "submicrons",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "submicron (plural submicrons)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "A unit smaller than a micron."
      ]
    }
  ],
  "word": "submicron"
}