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单词 fossil meal
释义

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fossil meal
fossil meal n. = fossil flour n.
ΚΠ
1801 Encycl. Brit. Suppl. I. 665/2 Fossil-meal, otherwise called lac lune, mineral argaric, and guhr, is, according to M. Fabbroni, a mixed earth, which..is abundant in Tuscany, where it is employed for cleaning plate.
1883 Cassell's Family Mag. Dec. 62/2Fossil meal’ is the name given to a composition..used for coating steam pipes and boilers.
1927 M. L. Hartmann in E. W. Washburn et al. Internat. Crit. Tables Numerical Data II. 86/1 Diatomaceous earth (infusorial earth, kieselguhr, fossil flour, fossil meal, [etc.]).
1994 Ceramic Industry (Nexis) Jan. 16 Refractory products in staging category A are in harmonized code 6903, which contains other refractory goods..other than those of siliceous fossil meals or of similar siliceous earths.
extracted from fossiln.adj.
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