(See quots. and smectite, n.)
单词 | θ6967 |
释义 | the world > the earth > minerals > types of mineral > silicates > phyllosilicate > [noun] > smectites > fuller's earth > varieties (3) smectis1706 (See quots. and smectite, n.) penny-earth1712 Fuller's earth, esp. when containing flat, round oyster shells. smectite1811 A kind of fuller's earth. Now Obsolete exc. Historical. |
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