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English
Etymology
From Agnatha, from Ancient Greek ἀ- (a-, “without”) + γνάθος (gnáthos, “jaw”).
Pronunciation
Noun
agnath (plural agnaths)
- (zoology) An agnathan.
1979, Stephen C. Wood, Evolution of Respiratory Processes, Marcel Dekker,, →ISBN, page 218: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.
1996, George Christopher Williams, Adaptation and Natural Selection, Princeton University Press,, →ISBN, page 51:The gnathostomes almost entirely replaced the agnaths, presumably because they were more effective fishes.
2002, Harold J. Morowitz, The Emergence of Everything, Oxford University Press, →ISBN, page 113:Thus, although tunicates are presumably intermediate between flatworms and agnaths, the larval tunicate more closely resembles the flatworm and adult agnath.
Anagrams
German
Etymology
Ancient Greek ἀ- (a-, “without”) + γνάθος (gnáthos, “jaw”)
Adjective
agnath (strong nominative masculine singular agnather, not comparable)
- (zoology) jawless
- Synonym: kieferlos
1895, H. Henking, “Ueber die Ernährung von Glandina algira L.”, in Zoologische Jahrbücher, volume 8, page 87:Da die Testacelliden agnath sind, so vermögen sie sich ihrer Beute nur mit Hülfe der Radula zu bemächtigen, indem diese etwas vorgestülpt wird, um ein Eingreifen der Radula-Zähne zu ermöglichen.- (please add an English translation of this quotation)
1906, “Pisces für 1902”, in Archiv für Naturgeschichte, volume 2, number 1, page 15:
- 2004, Rüdiger Wehner and Walter Gehring, Zoologie, twenty-fourth edition, Thieme, →ISBN, page 809:
Hypothetisches Ausgangsstadium (agnathes Wirbeltier) mit gleichförmigen Branchialbögen (Kieferbögen).- (please add an English translation of this quotation)
Declension
Positive forms of agnath (uncomparable)