| 释义 |
dogger
dogger (ˈdɒɡə) n (Nautical Terms) a Dutch fishing vessel with two masts[C14: probably from Middle Dutch dogge trawler]
dogger (ˈdɒɡə) n (Geological Science) a large concretion of consolidated material occurring in certain sedimentary rocks[C17: of uncertain origin]
dogger (ˈdɒɡə) n (Hunting) Austral a hunter of dingoes[C20: from dog (see sense 2a) + -er1]
Dogger n (Geological Science) geology a formation of mid-Jurassic rocks in N England Dogger
dogger[′dȯg·ər] (geology) Concretionary masses of calcareous sandstone or ironstone. Dogger (geology), the middle division of the Jurassic system, subdivided into three stages: Aalen, Bajocian, and Bathonian. In the USSR, Dogger deposits are called Middle Jurassic. The term is rarely used. |