| 单词 | eugeosyncline |
| 释义 | eugeosyncline in British English (ˌjuːdʒiːəʊˈsɪŋˌklaɪn) noun geology a geosyncline characterized by lithology typical of deep ocean environments eugeosyncline in American English (juːˌdʒiouˈsɪŋklain, -ˈsɪn-) noun Geology a former marine zone, bordering an ocean basin, marked by very thick deposits of sediment in which the products of volcanic activity are associated with clastic sediments Derived forms eugeosynclinal adjective Word origin [1940–45; eu- + geosyncline]This word is first recorded in the period 1940–45. Other words that entered Englishat around the same time include: Rh factor, black box, debrief, redline, sealanteu- is a combining form meaning “good,” “well,” occurring chiefly in words of Greek origin(eupepsia); in scientific coinages, esp. taxonomic names, it often has the sense “true, genuine”(eukaryote) |
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