| silicification | <chemistry> Thae act or process of combining or impregnating with silicon or silica; the state of being so combined or impregnated; as, the silicification of wood. See: Silicify. Source: Websters Dictionary (01 Mar 1998) |
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| silicified | <chemistry> Combined or impregnated with silicon or silica, especially the latter; as, silicified wood. Source: Websters Dictionary (01 Mar 1998) |
| silicify | <chemistry> To convert into, or to impregnate with, silica, or with the compounds of silicon. "The specimens found . . . Are completely silicified." (Say) The silica may take the form of agate, chalcedony, flint, hornstone, or crystalline quartz. Origin: L. Silex, silicis, a flint + -fy: cf. F. Silicifier. Source: Websters Dictionary (01 Mar 1998) |
| silicioidea | <zoology> Same as Silicoidea. Source: Websters Dictionary (01 Mar 1998) |
| silicious | Containing silica. (09 Oct 1997) |
| silicispongiae | <zoology> Same as Silicoidea. Origin: NL. See Silex, and Sponge. Source: Websters Dictionary (01 Mar 1998) |
| siliciureted | <chemistry> Combined or impregnated with silicon. Siliciureted hydrogen. <chemistry> Hydrogen silicide. Origin: Written also siliciuretted. Source: Websters Dictionary (01 Mar 1998) |
| silicle | <botany> A seed vessel resembling a silique, but about as broad as it is long. See Silique. Origin: L. Silicula, dim. Of siliqua a pod or husk: cf. F. Silicule. Source: Websters Dictionary (01 Mar 1998) |
| silico- | <chemistry, prefix> A combining form (also used adjectively) denoting the presence of silicon or its compounds; as, silicobenzoic, silicofluoride, etc. (29 Oct 1998) |
| silicoanthracosis | A pneumoconiosis consisting of combination of silicosis and anthracosis, seen in hard coal miners. (05 Mar 2000) |
| silicofluoric | <chemistry> Containing, or composed of, silicon and fluorine; especially, denoting the compounds called silicofluorides. <chemistry> Silicofluoric acid, a compound of hydrofluoric acid and silicon fluoride, known only in watery solution. It is produced by the action of silicon fluoride on water, and is regarded as an acid, H2SiF6, and the type and origin of the silicofluorides. Source: Websters Dictionary (01 Mar 1998) |
| silicofluoride | <chemistry> A fluosilicate; a salt of silicofluoric acid. Source: Websters Dictionary (01 Mar 1998) |
| silicoidea | <zoology> An extensive order of Porifera, which includes those that have the skeleton composed mainly of siliceous fibres or spicules. Origin: NL. See Silex, and -oid. Source: Websters Dictionary (01 Mar 1998) |
| silicon | <chemistry, element> A nonmetalic element analogous to carbon. It always occurs combined in nature, and is artificially obtained in the free state, usually as a dark brown amorphous powder, or as a dark crystalline substance with a meetallic luster. Its oxide is silica, or common quartz, and in this form, or as silicates, it is, next to oxygen, the most abundant element of the earth's crust. Silicon is characteristically the element of the mineral kingdom, as carbon is of the organic world. Abbreviation: Si Atomic weight: 28. Synonym: silicium. See: Silica. Source: Websters Dictionary (01 Mar 1998) |
| silicon compounds | Inorganic compounds that contain silicon as an integral part of the molecule. (12 Dec 1998) |
Synonyms : Aerosil, Aerosil 380, Cristobalite, Quso G-32, Quso G32, Sand, Tridymite, Dioxide, Silicon
Synonyms : Elastosil, Microfil, SE-30, Elastosils, Microfils, SE 30, SE30, Silicone Elastomer
Synonyms : Gels, Silicone
Synonyms :
Synonyms : Silicone
| silicosis |
a lung disease caused by inhaling particles of silica or quartz or slate
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| silicon dioxide |
silica: a white or colorless vitreous insoluble solid (SiO2); various forms occur widely in the earth's crust as quartz or cristobalite or tridymite or lechartelierite
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| silica |
a white or colorless vitreous insoluble solid (SiO2); various forms occur widely in the earth's crust as quartz or cristobalite or tridymite or lechartelierite
출처: wordnet.princeton.edu/perl/webwn
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| silicate |
a salt or ester derived from silicic acid
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| siliceous |
relating to or containing or resembling silica; "gritrock is siliceous sandstone"
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| silic | a white or colorless vitreous insoluble solid (SiO2) |
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| silic | a white or colorless vitreous insoluble solid (SiO2) |
| silic | a region in California south of San Francisco that is noted for its concentration of high-technology industries |
| silic | any of a large class of siloxanes that are unusually stable over a wide range of temperatures |
| silic | any of a large class of siloxanes that are unusually stable over a wide range of temperatures |
| silic | a polymeric silicone compound |
| silic | made from silicone elastomers |
| silic | a lung disease caused by inhaling particles of silica or quartz or slate |