Tyndall stone
短语发音
/ˈtɪndəl stoʊn/
词形变化
Tyndall stones
复数
Tyndall stones
释义与例句
n.
-
1.
A dolomitic limestone quarried in the vicinity of Tyndall, Manitoba, Canada, famous for its pervasive mottling and numerous fossils.
加拿大 不可数
词源
After the town of Tyndall, Manitoba, where the stone is quarried, in turn named after Irish physicist John Tyndall (1820–93). Tyndall, Tindall (“inhabitant of the Tyne river valley”) < Tyne.
来源:wiktionary