| 释义 |
diatomaceous earth
diatomaceous earthn. A light-colored porous rock composed of the shells of diatoms.diatomaceous earth n 1. (Geological Science) an unconsolidated form of diatomite. Also called: kieselguhr 2. (Minerals) an unconsolidated form of diatomite. Also called: kieselguhr di′atoma′ceous earth′
n. a fine siliceous earth composed chiefly of the cell walls of diatoms and used in filtration. Also called di•at•o•mite (daɪˈæt əˌmaɪt) [1880–85] Thesaurus| Noun | 1. |  diatomaceous earth - a light soil consisting of siliceous diatom remains and often used as a filtering materialdiatomite, kieselguhrfilter - device that removes something from whatever passes through itearth, ground - the loose soft material that makes up a large part of the land surface; "they dug into the earth outside the church" |
diatomaceous earth
diatomaceous earth: see diatomdiatom
, unicellular organism of the kingdom Protista, characterized by a silica shell of often intricate and beautiful sculpturing. Most diatoms exist singly, although some join to form colonies.
..... Click the link for more information. .diatomaceous earth[¦dī·ə·tə¦mā·shəs ′ərth] (geology) A yellow, white, or light-gray, siliceous, porous deposit made of the opaline shells of diatoms; used as a filter aid, paint filler, adsorbent, abrasive, and thermal insulator. Also known as kieselguhr; tripolite. diatomite, diatomaceous earth, kieselguhrA white or light gray, chalky, natural siliceous material; obtained by mining deposits of fossil remains of small marine life; used as an extender in paints, as an aggregate in lightweight concrete, as a waterproofing material in portland cement, as a filter for water, and as an abrasive.diatomaceous earth
di·a·to·ma·ceous eartha powder made of desiccated diatom material; used as a filtering agent, adsorbent, and abrasive in many chemical operations.di·a·to·ma·ceous earth (dī'ă-tŏ-mā'shē-ŭs ĕrth) A powder made of desiccated diatom material; used as a filtering agent, adsorbent, and abrasive in many chemical operations. diatomaceous earthSilica containing fossilized shells of microscopic algae with a siliceous or calcium-containing cell wall. It is used in insulating material and filters and as an absorbent. Synonym: diatomiteAcronymsSeeDMEdiatomaceous earth
Synonyms for diatomaceous earthnoun a light soil consisting of siliceous diatom remains and often used as a filtering materialSynonymsRelated Words |