diatomaceous earth diatomaceous • diatomean · · · Info · Definitions · Synonyms · Characters · · diatomaceous earth · · Text Common · · Latin · · Scripts 18 · · Length 6 · · Syllables Definitions · · · (noun) a light soil consisting of siliceous diatom remains and often used as a filtering material. Synonyms: diatomaceous earth, diatomite, kieselguhr. · · Noun Definition 1 Synonyms · · · diatomite · · Synonym 1 kieselguhr · · Synonym 2 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 m latin small letter m U+006D o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075