silican.

/ˈsɪlɪkə/

Etymology: < Latin silic-, silex silex n.¹ Compare French silice.

An important mineral substance (the dioxide of silicon), which in the form of quartz enters into the composition of many rocks, and is contained in sponges and certain plants.

ΘΚΠ

the world > the earth > minerals > types of mineral > silicates > tectosilicate > [noun] > silica

silexa1592

silica1801

the world > matter > chemistry > elements and compounds > metals > specific elements > silicon > [noun] > compounds > silicas

silica1801

1801 Encycl. Brit. Suppl. I. 254/1 Silica, when dried, is a soft white powder, without either taste or smell.

1851 G. F. Richardson Introd. Geol. (1855) 81 Silica and alumina besides being present in almost all vegetable and animal substances.

1878 T. H. Huxley Physiography (ed. 2) 202 The water generally holds silica in solution.

Compounds

C1. General attributive.

silica-borate n.

ΚΠ

1859 R. Hunt Guide Mus. Pract. Geol. (ed. 2) 114 A silica-borate of lead, prepared by Professor Faraday.

silica dust n.

ΚΠ

1918 Act 8 & 9 Geo. V. c. 14 §1 (3) Any industry..involving exposure to silica dust.

silica skeleton n.

ΚΠ

1882 S. H. Vines tr. J. von Sachs Text-bk. Bot. (ed. 2) 36 Silica-skeletons are obtained most abundantly from epidermal cells and from Diatoms.

silica-plated adj.

ΚΠ

1870 tr. F. A. Pouchet Universe 26 Ehrenberg, on analyzing a shower of fine dust.., found eighteen species of silica-plated animalcules.

C2.

silica gel n. hydrated silica in a hard granular form which is very hygroscopic and is used as a desiccant.

ΘΚΠ

the world > matter > liquid > dryness > [noun] > making dry > drying by specific method > specific substance

silica gel1920

the world > matter > chemistry > elements and compounds > metals > specific elements > silicon > [noun] > compounds > silicas > silica gel

silica gel1920

1920 Jrnl. Amer. Chem. Soc. 42 971 The mere fact that a chemically inert substance like silica gel is found exhibiting such marked absorptive properties is sufficient in itself to indicate that the cause of adsorption does not lie in the interaction of adsorbent and adsorbed substance.

1956 Nature 18 Feb. 329/1 The acid mixture was separated on a silica gel column into acetic and propionic acids.

1977 J. Hedgecoe Photographer's Handbk. 36 If you are storing a camera in an unfavorable climate put it in a plastic bag with the packet of silica gel which is supplied with most new cameras.

silica glass n. = quartz glass n. at quartz n. Compounds 1b.

ΘΚΠ

the world > matter > chemistry > chemical substances > named compounds > [noun] > glass

phosphate glass1869

silica glass1916

society > occupation and work > materials > derived or manufactured material > glass and glass-like materials > [noun] > glass > other types of glass

mirror glass1440

Venice glass1527

green glass1559

bubble glass1591

hard glass1597

window glass1606

bottle glass1626

looking-glass plate1665

opal glass1668

flint-glass1683

broad-glass1686

jealous glass1703

plate glass1728

Newcastle glass1734

flint1755

German sheet glass1777

Réaumur's porcelain1777

cut glass1800

Vauxhall1830

muslin glass1837

Venetian glass1845

latticinio1855

quartz glass1861

muff glass1865

thallium glass1868

St. Gobain glass1870

frost blue1873

crackle-glass1875

opaline1875

crackle-ware1881

amberina1883

opal1885

Jena1892

Holophane1893

roughcast1893

soda glass1897

opalite1899

milchglas1907

pâte de verre1907

Pyrex1915

silica glass1916

soda-lime glass1917

Vita-glass1925

peach-blow1930

borosilicate glass1933

Vitrolite1937

twin plate1939

sintered glass1940

gold-film1954

Plyglass1956

pyroceram1957

float glass1959

solar glass1977

1916 Chem. Abstr. 10 103 (heading) Silica glass.

1919 Nature 23 Oct. 153/1 I have recently observed that ‘silica glass’ possesses a remarkable crystalline or quasi-crystalline structure when examined in the polariscope.

1965 B. J. Moody Compar. Inorg. Chem. xviii. 268/2 Silica may be fused in the oxy-hydrogen blowpipe flame, softening at 1500–1600° C and fusing above 1700° C... The amorphous vitreous product is a supercooled liquid, silica glass, quartz glass, fused quartz or just silica.

silica wool n. = slag wool n. at slag n.¹ Compounds 2.

ΘΚΠ

society > occupation and work > materials > derived or manufactured material > materials produced from metalworking > [noun] > slag or scoria > fibre manufactured from

silicate cotton1881

silica wool1906

1906 Chambers's Jrnl. Aug. 599/1 Slag-wool, or silica-wool, is in appearance and properties similar to asbestos.

This entry has not yet been fully updated (first published 1910; most recently modified version published online March 2021).

单词	silica
释义	silican. /ˈsɪlɪkə/ Etymology: < Latin silic-, silex silex n.¹ Compare French silice. An important mineral substance (the dioxide of silicon), which in the form of quartz enters into the composition of many rocks, and is contained in sponges and certain plants. ΘΚΠ the world > the earth > minerals > types of mineral > silicates > tectosilicate > [noun] > silica silexa1592 silica1801 the world > matter > chemistry > elements and compounds > metals > specific elements > silicon > [noun] > compounds > silicas silica1801 1801 Encycl. Brit. Suppl. I. 254/1 Silica, when dried, is a soft white powder, without either taste or smell. 1851 G. F. Richardson Introd. Geol. (1855) 81 Silica and alumina besides being present in almost all vegetable and animal substances. 1878 T. H. Huxley Physiography (ed. 2) 202 The water generally holds silica in solution. Compounds C1. General attributive. a. silica-borate n. ΚΠ 1859 R. Hunt Guide Mus. Pract. Geol. (ed. 2) 114 A silica-borate of lead, prepared by Professor Faraday. silica dust n. ΚΠ 1918 Act 8 & 9 Geo. V. c. 14 §1 (3) Any industry..involving exposure to silica dust. silica skeleton n. ΚΠ 1882 S. H. Vines tr. J. von Sachs Text-bk. Bot. (ed. 2) 36 Silica-skeletons are obtained most abundantly from epidermal cells and from Diatoms. b. silica-plated adj. ΚΠ 1870 tr. F. A. Pouchet Universe 26 Ehrenberg, on analyzing a shower of fine dust.., found eighteen species of silica-plated animalcules. C2. silica gel n. hydrated silica in a hard granular form which is very hygroscopic and is used as a desiccant. ΘΚΠ the world > matter > liquid > dryness > [noun] > making dry > drying by specific method > specific substance silica gel1920 the world > matter > chemistry > elements and compounds > metals > specific elements > silicon > [noun] > compounds > silicas > silica gel silica gel1920 1920 Jrnl. Amer. Chem. Soc. 42 971 The mere fact that a chemically inert substance like silica gel is found exhibiting such marked absorptive properties is sufficient in itself to indicate that the cause of adsorption does not lie in the interaction of adsorbent and adsorbed substance. 1956 Nature 18 Feb. 329/1 The acid mixture was separated on a silica gel column into acetic and propionic acids. 1977 J. Hedgecoe Photographer's Handbk. 36 If you are storing a camera in an unfavorable climate put it in a plastic bag with the packet of silica gel which is supplied with most new cameras. silica glass n. = quartz glass n. at quartz n. Compounds 1b. ΘΚΠ the world > matter > chemistry > chemical substances > named compounds > [noun] > glass phosphate glass1869 silica glass1916 society > occupation and work > materials > derived or manufactured material > glass and glass-like materials > [noun] > glass > other types of glass mirror glass1440 Venice glass1527 green glass1559 bubble glass1591 hard glass1597 window glass1606 bottle glass1626 looking-glass plate1665 opal glass1668 flint-glass1683 broad-glass1686 jealous glass1703 plate glass1728 Newcastle glass1734 flint1755 German sheet glass1777 Réaumur's porcelain1777 cut glass1800 Vauxhall1830 muslin glass1837 Venetian glass1845 latticinio1855 quartz glass1861 muff glass1865 thallium glass1868 St. Gobain glass1870 frost blue1873 crackle-glass1875 opaline1875 crackle-ware1881 amberina1883 opal1885 Jena1892 Holophane1893 roughcast1893 soda glass1897 opalite1899 milchglas1907 pâte de verre1907 Pyrex1915 silica glass1916 soda-lime glass1917 Vita-glass1925 peach-blow1930 borosilicate glass1933 Vitrolite1937 twin plate1939 sintered glass1940 gold-film1954 Plyglass1956 pyroceram1957 float glass1959 solar glass1977 1916 Chem. Abstr. 10 103 (heading) Silica glass. 1919 Nature 23 Oct. 153/1 I have recently observed that ‘silica glass’ possesses a remarkable crystalline or quasi-crystalline structure when examined in the polariscope. 1965 B. J. Moody Compar. Inorg. Chem. xviii. 268/2 Silica may be fused in the oxy-hydrogen blowpipe flame, softening at 1500–1600° C and fusing above 1700° C... The amorphous vitreous product is a supercooled liquid, silica glass, quartz glass, fused quartz or just silica. silica wool n. = slag wool n. at slag n.¹ Compounds 2. ΘΚΠ society > occupation and work > materials > derived or manufactured material > materials produced from metalworking > [noun] > slag or scoria > fibre manufactured from silicate cotton1881 silica wool1906 1906 Chambers's Jrnl. Aug. 599/1 Slag-wool, or silica-wool, is in appearance and properties similar to asbestos. This entry has not yet been fully updated (first published 1910; most recently modified version published online March 2021). < n.1801
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