| 释义 |
Definition of edentate in English: edentatenoun ˈiːdənteɪtiˈdɛnˌteɪt Zoology A mammal of an order distinguished by the lack of incisor and canine teeth, including the anteaters, sloths, and armadillos, all of which are native to Central and South America. 〔动〕贫齿动物，贫齿目（哺乳）动物 Order Xenarthra (or Edentata) Example sentencesExamples - The edentates, including the sloths, ant-eaters and armadillos, were originally part of a larger group which included aardvarks and pangolins - all had unique extra movable parts between vertebrae in the lower back.
- It became home to a unique zoo of hoofed mammals, edentates, marsupials, and more giant flightless birds (Phorusrachids).
- Another group of uniquely South American mammals, the edentates (sloths, armadillos and anteaters), survived the competition with the invaders and are still abundant in South America.
- These remains included isolated teeth and a lower jaw of Equus, postcranial remains and lower molars of Mammuthus, a tooth and dermal ossicles of a mylodontid edentate, and glyptodont scutes.
OriginEarly 19th century: from Latin edentatus, past participle of edentare 'make toothless', from e- (variant of ex-) 'out' + dens, dent- 'tooth'. Definition of edentate in US English: edentatenouniˈdɛnˌteɪtēˈdenˌtāt Zoology A mammal of an order distinguished by the lack of incisor and canine teeth. The edentates, which include anteaters, sloths, and armadillos, are all native to Central and South America. 〔动〕贫齿动物，贫齿目（哺乳）动物 Order Xenarthra (or Edentata) Example sentencesExamples - Another group of uniquely South American mammals, the edentates (sloths, armadillos and anteaters), survived the competition with the invaders and are still abundant in South America.
- These remains included isolated teeth and a lower jaw of Equus, postcranial remains and lower molars of Mammuthus, a tooth and dermal ossicles of a mylodontid edentate, and glyptodont scutes.
- The edentates, including the sloths, ant-eaters and armadillos, were originally part of a larger group which included aardvarks and pangolins - all had unique extra movable parts between vertebrae in the lower back.
- It became home to a unique zoo of hoofed mammals, edentates, marsupials, and more giant flightless birds (Phorusrachids).
OriginEarly 19th century: from Latin edentatus, past participle of edentare ‘make toothless’, from e- (variant of ex-) ‘out’ + dens, dent- ‘tooth’. |