smectisn.

Etymology: < Greek σμηκτίς, a kind of fuller's earth.Previous versions of the OED give the stress as: ˈsmectis.

rare.

(See quots. and smectite n.)

ΘΚΠ

the world > the earth > minerals > types of mineral > silicates > phyllosilicate > [noun] > smectites > fuller's earth > varieties

smectis1706

penny-earth1712

smectite1811

1706 Phillips's New World of Words (new ed.) Smectis,..Fullers-Earth.

1783 Philos. Trans. (Royal Soc.) 73 227 It feels like hard soap, or rather like that kind of stone which the mineralogists call Smectis.

1794 R. J. Sulivan View of Nature II. xlvi. 330 How is a clay to be distinguished from the smectis or soap-rock?

1905 Oban Advertiser 19 Aug. 3 By different authors, the ‘lapis nephriticus’ has been considered as an agate, a jasper, a gypsum, and a smectis.

This entry has not yet been fully updated (first published 1912; most recently modified version published online December 2021).

单词	smectis
释义	smectisn. Etymology: < Greek σμηκτίς, a kind of fuller's earth.Previous versions of the OED give the stress as: ˈsmectis. rare. (See quots. and smectite n.) ΘΚΠ the world > the earth > minerals > types of mineral > silicates > phyllosilicate > [noun] > smectites > fuller's earth > varieties smectis1706 penny-earth1712 smectite1811 1706 Phillips's New World of Words (new ed.) Smectis,..Fullers-Earth. 1783 Philos. Trans. (Royal Soc.) 73 227 It feels like hard soap, or rather like that kind of stone which the mineralogists call Smectis. 1794 R. J. Sulivan View of Nature II. xlvi. 330 How is a clay to be distinguished from the smectis or soap-rock? 1905 Oban Advertiser 19 Aug. 3 By different authors, the ‘lapis nephriticus’ has been considered as an agate, a jasper, a gypsum, and a smectis. This entry has not yet been fully updated (first published 1912; most recently modified version published online December 2021). < n.1706
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