"agnath" meaning in English

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        "3": "ἀ-",
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      "expansion": "Ancient Greek ἀ- (a-, “without”)",
      "name": "uder"
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  "etymology_text": "From Agnatha, from Ancient Greek ἀ- (a-, “without”) + γνάθος (gnáthos, “jaw”).",
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    {
      "form": "agnaths",
      "tags": [
        "plural"
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      "expansion": "agnath (plural agnaths)",
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  "lang_code": "en",
  "pos": "noun",
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        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Jawless fish",
          "orig": "en:Jawless fish",
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            "Fish",
            "Vertebrates",
            "Chordates",
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          "name": "Zoology",
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          "ref": "1979, Stephen C. Wood, Evolution of Respiratory Processes, Marcel Dekker,, page 218",
          "text": "Evolution of vertebrates was accompanied by a gradual increase in oxygen availability, from the irrespirable atmosphere of the Precambrian to a PO₂ at 7 mmHg with the first vertebrates (agnaths), to the present sea level PO₂ value of 160 mmHg with the first reptiles.",
          "type": "quotation"
        },
        {
          "ref": "1996, George Christopher Williams, Adaptation and Natural Selection, Princeton University Press,, page 51",
          "text": "The gnathostomes almost entirely replaced the agnaths, presumably because they were more effective fishes.",
          "type": "quotation"
        },
        {
          "ref": "2002, Harold J. Morowitz, The Emergence of Everything, Oxford University Press, page 113",
          "text": "Thus, although tunicates are presumably intermediate between flatworms and agnaths, the larval tunicate more closely resembles the flatworm and adult agnath.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "An agnathan."
      ],
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          "zoology",
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        "(zoology) An agnathan."
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        "biology",
        "natural-sciences",
        "zoology"
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      "ipa": "/ˈæɡ.nəθ/"
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    {
      "enpr": "ăgʹnəth"
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  "word": "agnath"
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      "expansion": "Ancient Greek ἀ- (a-, “without”)",
      "name": "uder"
    }
  ],
  "etymology_text": "From Agnatha, from Ancient Greek ἀ- (a-, “without”) + γνάθος (gnáthos, “jaw”).",
  "forms": [
    {
      "form": "agnaths",
      "tags": [
        "plural"
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  "lang_code": "en",
  "pos": "noun",
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          "ref": "1979, Stephen C. Wood, Evolution of Respiratory Processes, Marcel Dekker,, page 218",
          "text": "Evolution of vertebrates was accompanied by a gradual increase in oxygen availability, from the irrespirable atmosphere of the Precambrian to a PO₂ at 7 mmHg with the first vertebrates (agnaths), to the present sea level PO₂ value of 160 mmHg with the first reptiles.",
          "type": "quotation"
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          "text": "The gnathostomes almost entirely replaced the agnaths, presumably because they were more effective fishes.",
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        },
        {
          "ref": "2002, Harold J. Morowitz, The Emergence of Everything, Oxford University Press, page 113",
          "text": "Thus, although tunicates are presumably intermediate between flatworms and agnaths, the larval tunicate more closely resembles the flatworm and adult agnath.",
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        }
      ],
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        "An agnathan."
      ],
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        "(zoology) An agnathan."
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      "ipa": "/ˈæɡ.nəθ/"
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  "word": "agnath"
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