Definition of 珪藻土 (けいそうど)

noun
•
diatomaceous earth, diatomite, siliceous marl, kieselguhr
Other readings:
けい藻土【けいそうど】
Related Kanji
珪 jade scepter or tablet (authority symbol)
藻 seaweed, duckweed
土 soil, earth, ground, Turkey