diatomite diatomist • diatomophyceae · · · Info · Definitions · Synonyms · Characters · · diatomite · · Text Latin · · Script 9 · · Length 4 · · Syllables Definitions · · · (noun) a light soil consisting of siliceous diatom remains and often used as a filtering material. Synonyms: diatomaceous earth, kieselguhr. · · Noun Definition 1 Synonyms · · · diatomaceous earth · · Synonym 1 kieselguhr · · Synonym 2 Characters · · a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 m latin small letter m U+006D o latin small letter o U+006F t latin small letter t U+0074