(ˌɪnfjʊˈzɔːrɪəl) n (Geological Science) another name for diatomaceous earth See diatomite
infusorial earth
infusorial earth
[‚in·fyə′sȯr·ē·əl ′ərth] (geology) Formerly, and incorrectly, a soft rock or an earthy substance composed of siliceous remains of diatoms.MedicalSeeearth