"crestal" meaning in English

{
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    {
      "args": {
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        "2": "crest",
        "3": "al"
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      "expansion": "crest + -al",
      "name": "suffix"
    }
  ],
  "etymology_text": "crest + -al",
  "head_templates": [
    {
      "args": {
        "1": "-"
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      "expansion": "crestal (not comparable)",
      "name": "en-adj"
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  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [],
      "examples": [
        {
          "ref": "2015 October 22, “Evaluation in a Dog Model of Three Antimicrobial Glassy Coatings: Prevention of Bone Loss around Implants and Microbial Assessments”, in PLOS ONE, →DOI",
          "text": "Microbial samples and peri-implant crestal bone levels of all implant sites were obtained before, during and after the breakdown period.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "That is situated on, or forms part of, a crest."
      ],
      "id": "en-crestal-en-adj-taWuGesF",
      "links": [
        [
          "crest",
          "crest"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "crestal"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "crest",
        "3": "al"
      },
      "expansion": "crest + -al",
      "name": "suffix"
    }
  ],
  "etymology_text": "crest + -al",
  "forms": [
    {
      "form": "crestals",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "crestal (plural crestals)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Zoology",
          "orig": "en:Zoology",
          "parents": [
            "Biology",
            "Sciences",
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            "Fundamental"
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          "source": "w"
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          "_dis": "9 91",
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          "_dis": "13 87",
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          "name": "English terms suffixed with -al",
          "parents": [],
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      "examples": [
        {
          "ref": "1955, Joel Asaph Allen, Bulletin of the American Museum of Natural History, page 15",
          "text": "In the arrangement of the crestals Shinisaurus closely resembles Xenosaurus (in which genus, however, the crestals are blunt and resemble ornamental tack heads) […]",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A scale located on the crest."
      ],
      "id": "en-crestal-en-noun-0T4py8v9",
      "links": [
        [
          "zoology",
          "zoology"
        ],
        [
          "scale",
          "scale"
        ]
      ],
      "raw_glosses": [
        "(zoology) A scale located on the crest."
      ],
      "topics": [
        "biology",
        "natural-sciences",
        "zoology"
      ]
    }
  ],
  "word": "crestal"
}

{
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    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English terms suffixed with -al",
    "English uncomparable adjectives"
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  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "crest",
        "3": "al"
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      "expansion": "crest + -al",
      "name": "suffix"
    }
  ],
  "etymology_text": "crest + -al",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "crestal (not comparable)",
      "name": "en-adj"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "2015 October 22, “Evaluation in a Dog Model of Three Antimicrobial Glassy Coatings: Prevention of Bone Loss around Implants and Microbial Assessments”, in PLOS ONE, →DOI",
          "text": "Microbial samples and peri-implant crestal bone levels of all implant sites were obtained before, during and after the breakdown period.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "That is situated on, or forms part of, a crest."
      ],
      "links": [
        [
          "crest",
          "crest"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "crestal"
}

{
  "categories": [
    "English adjectives",
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English terms suffixed with -al",
    "English uncomparable adjectives"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "crest",
        "3": "al"
      },
      "expansion": "crest + -al",
      "name": "suffix"
    }
  ],
  "etymology_text": "crest + -al",
  "forms": [
    {
      "form": "crestals",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "crestal (plural crestals)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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    {
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        {
          "ref": "1955, Joel Asaph Allen, Bulletin of the American Museum of Natural History, page 15",
          "text": "In the arrangement of the crestals Shinisaurus closely resembles Xenosaurus (in which genus, however, the crestals are blunt and resemble ornamental tack heads) […]",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A scale located on the crest."
      ],
      "links": [
        [
          "zoology",
          "zoology"
        ],
        [
          "scale",
          "scale"
        ]
      ],
      "raw_glosses": [
        "(zoology) A scale located on the crest."
      ],
      "topics": [
        "biology",
        "natural-sciences",
        "zoology"
      ]
    }
  ],
  "word": "crestal"
}