| 单词 | pachyderm |
| 释义 | pachyderm (once / 21031 pages) n A pachyderm is a really big animal with really thick skin, like an elephant or a hippo. If you break this word down to its parts, you see pachy which means thick and derm which means skin. It comes from the Greek, but was first used to describe a class of animals by a French naturalist in 1797. He believed that thick skinned animals all belonged to the same family and categorized them together. We now know to classify them according to different features, but the word remains both in use and descriptively useful. WORD FAMILYpachyderm: pachydermal, pachydermatous, pachydermic, pachydermous, pachyderms+/pachydermatous: pachydermatously USAGE EXAMPLESThe pachyderm was pregnant when she arrived earlier this year at the Dallas Zoo. Washington Times(Oct 12, 2016) Her daughter, Chelsea, accompanied her, and since then mother and daughter have shared a passion for pachyderms. The Guardian(Oct 11, 2016) But elephants are likely to top the bill with countries bitterly divided over the best way to protect the ponderous pachyderms. BBC(Sep 24, 2016) n any of various nonruminant hoofed mammals having very thick skin: elephant; rhinoceros; hippopotamus Hypo|Hyper elephant five-toed pachyderm rogue elephanta wild and vicious elephant separated from the herd Elephas maximus, Indian elephantAsian elephant having smaller ears and tusks primarily in the male African elephant, Loxodonta africanaan elephant native to Africa having enormous flapping ears and ivory tusks mammothany of numerous extinct elephants widely distributed in the Pleistocene; extremely large with hairy coats and long upcurved tusks gomphothereextinct elephants of Central American and South America; of the Miocene and Pleistocene eutherian, eutherian mammal, placental, placental mammal mammals having a placenta; all mammals except monotremes and marsupials |
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