alliten.

Brit.

/ˈalʌɪt/, U.S.

/ˈælˌaɪt/

Origin: Formed within English, by compounding; modelled on a German lexical item. Etymons: aluminium n., laterite n.

Etymology: < al- (in aluminium n.) + l- + -ite -ite suffix¹ (both in laterite n.), after German Allit (H. Harrassowitz 1926, in Fortschritte der Geol. u. Paläont. 4 263); compare siallite n.The following earlier example of the string allite appears to show a typographical error for albite n.:1850 Proc. 2nd Meeting Amer. Assoc. Advancem. Sci. 133 It is unnecessary to educe a formula from these analyses, as it is obvious at a glance that we have only a granular Allite.

Geology and Soil Science.

A lateritic soil or residual rock that is rich in alumina; (originally, now disused) spec. one in which the ratio of silica to alumina by weight is below 4:3. Cf. siallite n.

ΘΚΠ

the world > the earth > structure of the earth > constituent materials > earth or soil > kind of earth or soil > [noun] > mineral soil > others

alum earth1612

cabook1834

laterite1893

ferricrete1902

murram1912

opal dirt1925

allite1930

Oxisol1960

1930 J. D. Edwards et al. Aluminum Industry I. iv. 98 According to Harrassowitz, lateritization consists in the removal in solution of the bases..and more gradually of silica, leading to the formation of siallite and then allite.

1946 S. A. Wilde Forest Soils & Forest Growth iii. 34 Recently, laterite was identified with allite (Harrassowitz, 1926), i.e., weathered products enriched in aluminum oxide and impoverished in silica; the allite was contrasted with siallite, a product containing both silica and alumina in a fairly balanced ratio.

1989 Nucl. Geophysics 3 275 Allites, i.e. sedimentary rocks rich in Al₂O₃, occur in Poland and, among others, in the bottom part of the carboniferous sequence of the Lublin Coal Basin.

2004 Chemie der Erde 64 391 Hence, allite formation occurs by relative enrichment of Al through selective removal of Si and Fe.

Derivatives

aˈllitic adj. [after German allitisch (1926 in the paper cited in the etymology)]

ΚΠ

1931 Proc. Internat. Soc. Soil Sci. 6 31 (title) Allitic brown-soil the preliminary formation of tropic red soil and laterite.

1949 J. S. Joffe ABC of Soils iii. 35 Rocks and minerals containing as high as 60 to 70 per cent of SiO₂ are decomposed to a point where 5 to 10 per cent SiO₂ remain in the allitic products of weathering.

1971 Soviet Soil Sci. 3 262 Mobile forms of Fe are very few in the group of ferrallitic and allitic soils.

2002 Geoderma 107 152 A coarse-loamy, mixed, isohyperthermic Typic Haplustox and a very fine, allitic, isohyperthermic Anionic Acrustox..were chosen for sampling.

This is a new entry (OED Third Edition, September 2012; most recently modified version published online December 2021).

单词	allite
释义	alliten. Brit. /ˈalʌɪt/, U.S. /ˈælˌaɪt/ Origin: Formed within English, by compounding; modelled on a German lexical item. Etymons: aluminium n., laterite n. Etymology: < al- (in aluminium n.) + l- + -ite -ite suffix¹ (both in laterite n.), after German Allit (H. Harrassowitz 1926, in Fortschritte der Geol. u. Paläont. 4 263); compare siallite n.The following earlier example of the string allite appears to show a typographical error for albite n.:1850 Proc. 2nd Meeting Amer. Assoc. Advancem. Sci. 133 It is unnecessary to educe a formula from these analyses, as it is obvious at a glance that we have only a granular Allite. Geology and Soil Science. A lateritic soil or residual rock that is rich in alumina; (originally, now disused) spec. one in which the ratio of silica to alumina by weight is below 4:3. Cf. siallite n. ΘΚΠ the world > the earth > structure of the earth > constituent materials > earth or soil > kind of earth or soil > [noun] > mineral soil > others alum earth1612 cabook1834 laterite1893 ferricrete1902 murram1912 opal dirt1925 allite1930 Oxisol1960 1930 J. D. Edwards et al. Aluminum Industry I. iv. 98 According to Harrassowitz, lateritization consists in the removal in solution of the bases..and more gradually of silica, leading to the formation of siallite and then allite. 1946 S. A. Wilde Forest Soils & Forest Growth iii. 34 Recently, laterite was identified with allite (Harrassowitz, 1926), i.e., weathered products enriched in aluminum oxide and impoverished in silica; the allite was contrasted with siallite, a product containing both silica and alumina in a fairly balanced ratio. 1989 Nucl. Geophysics 3 275 Allites, i.e. sedimentary rocks rich in Al₂O₃, occur in Poland and, among others, in the bottom part of the carboniferous sequence of the Lublin Coal Basin. 2004 Chemie der Erde 64 391 Hence, allite formation occurs by relative enrichment of Al through selective removal of Si and Fe. Derivatives aˈllitic adj. [after German allitisch (1926 in the paper cited in the etymology)] ΚΠ 1931 Proc. Internat. Soc. Soil Sci. 6 31 (title) Allitic brown-soil the preliminary formation of tropic red soil and laterite. 1949 J. S. Joffe ABC of Soils iii. 35 Rocks and minerals containing as high as 60 to 70 per cent of SiO₂ are decomposed to a point where 5 to 10 per cent SiO₂ remain in the allitic products of weathering. 1971 Soviet Soil Sci. 3 262 Mobile forms of Fe are very few in the group of ferrallitic and allitic soils. 2002 Geoderma 107 152 A coarse-loamy, mixed, isohyperthermic Typic Haplustox and a very fine, allitic, isohyperthermic Anionic Acrustox..were chosen for sampling. This is a new entry (OED Third Edition, September 2012; most recently modified version published online December 2021). < n.1930
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