"microtephra" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "micro",
        "3": "tephra"
      },
      "expansion": "micro- + tephra",
      "name": "prefix"
    }
  ],
  "etymology_text": "From micro- + tephra.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "microtephra (uncountable)",
      "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": "English terms prefixed with micro-",
          "parents": [],
          "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": "Geology",
          "orig": "en:Geology",
          "parents": [
            "Earth sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Paleontology",
          "orig": "en:Paleontology",
          "parents": [
            "Geology",
            "Sciences",
            "Earth sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2011, Chris Stringer, The Origin of Our Species, Penguin, published 2012, page 45:",
          "text": "This microtephra may be ejected into the upper atmosphere and travel for many thousands of miles […].",
          "type": "quote"
        }
      ],
      "glosses": [
        "Microscopic deposits of tephra."
      ],
      "id": "en-microtephra-en-noun-tPQ5-cc5",
      "links": [
        [
          "geology",
          "geology"
        ],
        [
          "paleontology",
          "paleontology"
        ],
        [
          "Microscopic",
          "microscopic"
        ],
        [
          "tephra",
          "tephra"
        ]
      ],
      "raw_glosses": [
        "(geology, paleontology) Microscopic deposits of tephra."
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "biology",
        "geography",
        "geology",
        "history",
        "human-sciences",
        "natural-sciences",
        "paleontology",
        "sciences"
      ]
    }
  ],
  "word": "microtephra"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "micro",
        "3": "tephra"
      },
      "expansion": "micro- + tephra",
      "name": "prefix"
    }
  ],
  "etymology_text": "From micro- + tephra.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "microtephra (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms prefixed with micro-",
        "English terms with quotations",
        "English uncountable nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "Quotation templates to be cleaned",
        "en:Geology",
        "en:Paleontology"
      ],
      "examples": [
        {
          "ref": "2011, Chris Stringer, The Origin of Our Species, Penguin, published 2012, page 45:",
          "text": "This microtephra may be ejected into the upper atmosphere and travel for many thousands of miles […].",
          "type": "quote"
        }
      ],
      "glosses": [
        "Microscopic deposits of tephra."
      ],
      "links": [
        [
          "geology",
          "geology"
        ],
        [
          "paleontology",
          "paleontology"
        ],
        [
          "Microscopic",
          "microscopic"
        ],
        [
          "tephra",
          "tephra"
        ]
      ],
      "raw_glosses": [
        "(geology, paleontology) Microscopic deposits of tephra."
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "biology",
        "geography",
        "geology",
        "history",
        "human-sciences",
        "natural-sciences",
        "paleontology",
        "sciences"
      ]
    }
  ],
  "word": "microtephra"
}