| cambrian | (n) from 544 million to about 500 million years ago; marine invertebrates, Syn. Cambrian period |
| cambrian mountains | (n) a rugged plateau that runs north to south through central Wales |
| precambrian | (n) the eon following the Hadean time and preceding the Phanerozoic eon; from about 3, 800 million years ago until 544 million years ago, Syn. Precambrian aeon, Precambrian eon, Precambrian period |
| wales | (n) one of the four countries that make up the United Kingdom of Great Britain and Northern Ireland; during Roman times the region was known as Cambria, Syn. Cymru, Cambria |
| welsh | (adj) of or relating to or characteristic of Wales or its people or their language, Syn. Cambrian, Example: the Welsh coast; Welsh syntax |
| welshman | (n) a native or resident of Wales, Syn. Welsh, Cambrian, Cymry |
| 古生代 | [Gǔ shēng dài, ㄍㄨˇ ㄕㄥ ㄉㄞˋ, 古 生 代] Paleozoic (geological era 545-250m years ago, covering Cambrian 寒武紀|寒武纪, Ordovician 奧陶紀|奥陶纪, Silurian 志留紀|志留纪, Devonian 泥盆紀|泥盆纪, Carboniferous 石炭紀|石炭纪, Permian 二疊紀|二叠纪, See also: 寒武紀, 寒武纪, 奧陶紀, 奥陶纪, 志留紀, 志留纪, 泥盆紀, 泥盆纪, 石炭紀, 石炭纪, 二疊紀, 二叠纪 #60,350 [Add to Longdo] |
| 寒武纪 | [Hán wǔ jì, ㄏㄢˊ ㄨˇ ㄐㄧˋ, 寒 武 纪 / 寒 武 紀] Cambrian (geological period 545-495m years ago) #68,780 [Add to Longdo] |
| 震旦纪 | [zhèn dàn jì, ㄓㄣˋ ㄉㄢˋ ㄐㄧˋ, 震 旦 纪 / 震 旦 紀] Sinian (c. 800-542 million years ago), late phase of pre-Cambrian geological era #125,442 [Add to Longdo] |
| 元古宙 | [Yuán gǔ zhòu, ㄩㄢˊ ㄍㄨˇ ㄓㄡˋ, 元 古 宙] pre-Cambrian (geological eon 2500-645m) #161,337 [Add to Longdo] |
| 显生宙 | [Xiǎn shēng zhòu, ㄒㄧㄢˇ ㄕㄥ ㄓㄡˋ, 显 生 宙 / 顯 生 宙] Phanerozoic (geological eon lasting since the Cambrian 武紀|寒武纪, c. 540m year ago, See also: 武紀, 寒武纪 #203,263 [Add to Longdo] |
| 前寒武纪 | [Qián Hán wǔ jì, ㄑㄧㄢˊ ㄏㄢˊ ㄨˇ ㄐㄧˋ, 前 寒 武 纪 / 前 寒 武 紀] pre-Cambrian (geological period before c. 540m years ago) [Add to Longdo] |
| 埃迪卡拉 | [Āi dí kǎ lā, ㄞ ㄉㄧˊ ㄎㄚˇ ㄌㄚ, 埃 迪 卡 拉] Ediacaran (c. 635-542 million years ago), late phase of pre-Cambrian geological era [Add to Longdo] |
| 特提斯海 | [Tè tí sī hǎi, ㄊㄜˋ ㄊㄧˊ ㄙ ㄏㄞˇ, 特 提 斯 海] Thetys (pre-Cambrian ocean) [Add to Longdo] |