kieselguhr

== English == === Etymology === Borrowed from German Kieselguhr, older spelling of Kieselgur, from Kiesel (“pebble, gravel”) +‎ Gur (“guhr”). === Pronunciation === (UK) IPA(key): /ˈkiːzəlɡʊə/ === Noun === kieselguhr (countable and uncountable, plural kieselguhrs) Diatomaceous earth, a kind of soft rock containing the remains of diatoms; it absorbs nitroglycerine and is used to manufacture dynamite. == French == === Pronunciation === === Noun === kieselguhr m (plural kieselguhrs) kieselguhr, diatomaceous earth Synonyms: terre d'infusoires, terre diatomée === Further reading === “kieselguhr”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012