speleothem

名词 n.
中文释义
英 /ˈspiːlioʊˌθɛm/    美 /ˈspiːliəˌθɛm/

英文释义

名词 n.
  1. Any secondary mineral, deposited in a natural cave by the action of water. Includes formations such as stalactites, stalagmites, flowstones, and helictites.
    — But it is possible that the painting itself might be thousands of years older because the technique only assesses the age of a mineral deposit, speleothem, that formed on the cave walls.

词形变化

speleothems plural

词源

From Ancient Greek σπήλαιον (spḗlaion, “cave”) + θέμα (théma, “what is laid down”).
0 次浏览 数据来源: Wiktionary