英和和英

発音

• (米国発音) IPA: /ˈspiːliəˌθɛm/
• (英国発音) IPA: /ˈspiːlioʊˌθɛm/
• ハイフネーション: spe‧le‧o‧them

名詞

speleothem (plural speleothems)

1. (geology) Any secondary mineral, deposited in a natural cave by the action of water. Includes formations such as stalactites, stalagmites, flowstones, and helictites.
   • 2021 January 13, Becky Ferreira, “Pig Painting May Be World’s Oldest Cave Art Yet, Archaeologists Say”, in The New York Times‎, →ISSN:

     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.

派生語

• speleothemic

同意語

• cave formation

下位語

Further reading

• speleothem on Wikipedia.Wikipedia