plinthiten.

Brit.

/ˈplɪnθʌɪt/, U.S.

/ˈplɪnˌθaɪt/

Origin: A borrowing from Greek, combined with an English element. Etymons: Greek πλίνθος , -ite suffix¹.

Etymology: < ancient Greek πλίνθος brick (see plinth n.) + -ite suffix¹.

†1. Mineralogy. A brick-red ferruginous clay. Obsolete.

ΘΚΠ

the world > the earth > structure of the earth > constituent materials > clay > [noun] > other clays

red clayc1475

urry1669

blae1724

cat-dirt1747

iron clay1750

till1762

mulatto clay1788

oak-tree clay1794

porcelain jasper1794

porcellanite1794

Karoo ground1836

plinthite1836

papa1851

Bradford clay1858

Indianaite1868

sinopite1868

hydrobiotite1881

pampas-clay1885

byon1892

potato clay1896

bentonite1898

quick clay1901

gumbotil1916

1836 T. Thomson Outl. Mineral. I. 323 Sp. 8 Plinthite. I give this name to a mineral which occurs in the County of Antrim, from its brick red colour.

1843 J. E. Portlock Rep. Geol. Londonderry 217 Plinthite is not an uncommon mineral, occurring in the softer varieties of the trap rocks.

1883 Athenæum 30 June 833/3 Saponite, plinthite, Thomsonite..were found [near Stainchol, Skye].

2. Soil Science. A hard cemented horizon poor in humus and rich in sesquioxides.

ΚΠ

1961 J. M. Sweet in Mineral. Mag. 32 458 It seems clear that Thomson applied the name to a ferruginous clay, but that massive red mixtures of zeolites were subsequently also styled ‘plinthite’.]

1967 Ecology 48 10/1 Another feature of tropical soils is the formation of a cemented hardpan or plinthite layer of iron concretions.

1972 J. G. Cruickshank Soil Geogr. iii. 96 The formation of plinthite in tropical soils seems to depend on fluctuations of the water table.

1996 O. Areola in W. M. Adams et al. Physical Geogr. Afr. (1999) viii. 143 The massive or continuous ironstone layer..may be residual, where it is formed by the hardening of a continuous layer of plinthite; or recemented.

This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022).

单词	plinthite
释义	plinthiten. Brit. /ˈplɪnθʌɪt/, U.S. /ˈplɪnˌθaɪt/ Origin: A borrowing from Greek, combined with an English element. Etymons: Greek πλίνθος , -ite suffix¹. Etymology: < ancient Greek πλίνθος brick (see plinth n.) + -ite suffix¹. †1. Mineralogy. A brick-red ferruginous clay. Obsolete. ΘΚΠ the world > the earth > structure of the earth > constituent materials > clay > [noun] > other clays red clayc1475 urry1669 blae1724 cat-dirt1747 iron clay1750 till1762 mulatto clay1788 oak-tree clay1794 porcelain jasper1794 porcellanite1794 Karoo ground1836 plinthite1836 papa1851 Bradford clay1858 Indianaite1868 sinopite1868 hydrobiotite1881 pampas-clay1885 byon1892 potato clay1896 bentonite1898 quick clay1901 gumbotil1916 1836 T. Thomson Outl. Mineral. I. 323 Sp. 8 Plinthite. I give this name to a mineral which occurs in the County of Antrim, from its brick red colour. 1843 J. E. Portlock Rep. Geol. Londonderry 217 Plinthite is not an uncommon mineral, occurring in the softer varieties of the trap rocks. 1883 Athenæum 30 June 833/3 Saponite, plinthite, Thomsonite..were found [near Stainchol, Skye]. 2. Soil Science. A hard cemented horizon poor in humus and rich in sesquioxides. ΚΠ 1961 J. M. Sweet in Mineral. Mag. 32 458 It seems clear that Thomson applied the name to a ferruginous clay, but that massive red mixtures of zeolites were subsequently also styled ‘plinthite’.] 1967 Ecology 48 10/1 Another feature of tropical soils is the formation of a cemented hardpan or plinthite layer of iron concretions. 1972 J. G. Cruickshank Soil Geogr. iii. 96 The formation of plinthite in tropical soils seems to depend on fluctuations of the water table. 1996 O. Areola in W. M. Adams et al. Physical Geogr. Afr. (1999) viii. 143 The massive or continuous ironstone layer..may be residual, where it is formed by the hardening of a continuous layer of plinthite; or recemented. This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022). < n.1836
随便看	lilywhited lilywhiteness lilywhitening lilywork lilyworts lilywristed lilyyellow lima lima bark lima bean lima-wood limace limaceous limacian limacid limaciform limacin limacine limacinean limacinid limacoid limacol limacologist limacology liman