Portland limestone
Geology
noun
The oolitic limestone of the Upper Jurassic that is particularly well exposed on the Isle of Portland and is quarried as Portland stone.
Origin
Mid 19th century; earliest use found in John Craig (fl. 1847).
| 单词 | Portland limestone |
| 释义 | Portland limestoneGeology noun The oolitic limestone of the Upper Jurassic that is particularly well exposed on the Isle of Portland and is quarried as Portland stone. Origin |
| 随便看 |
英语词典包含243303条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。