kieselguhr
kieselguhr · kieselguhrs
Diatomaceous earth, a kind of soft rock containing the remains of diatomsDiatomaceous earth, a kind of soft rock containing the remains of diatoms; it absorbs nitroglycerine and is used to manufacture dynamite.
/ˈkiːzəlɡʊə/
Meaning
1 senses(countable, uncountable)Diatomaceous earth, a kind of soft rock containing the remains of diatoms; it absorbs nitroglycerine and is used to manufacture dynamite.
More definitions
- a light soil consisting of siliceous diatom remains and often used as a filtering material
Origin
Borrowed from German Kieselguhr, older spelling of Kieselgur, from Kiesel (“pebble, gravelBorrowed from German Kieselguhr, older spelling of Kieselgur, from Kiesel (“pebble, gravel”) + Gur (“guhr”).
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Forms
plural: kieselguhrs| Singular | kieselguhr |
|---|---|
| Plural | kieselguhrs |
regular
Synonyms
2 synonymsClose in meaning
- a light soil consisting of siliceous diatom remains and often used as a filtering material:diatomaceous earthdiatomite
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable