Definition of Specu. Meaning of Specu. Synonyms of Specu

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Definition of Specu

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Specula
Speculum Spec"u*lum, n.; pl. L. Specula, E. Speculum. [L., fr. specere to look, behold. See Spy.] 1. A mirror, or looking-glass; especially, a metal mirror, as in Greek and Roman arch[ae]ology. 2. A reflector of polished metal, especially one used in reflecting telescopes. See Speculum metal, below. 3. (Surg.) An instrument for dilating certain passages of the body, and throwing light within them, thus facilitating examination or surgical operations. 4. (Zo["o]l.) A bright and lustrous patch of color found on the wings of ducks and some other birds. It is usually situated on the distal portions of the secondary quills, and is much more brilliant in the adult male than in the female. Speculum metal, a hard, brittle alloy used for making the reflectors of telescopes and other instruments, usually consisting of copper and tin in various proportions, one of the best being that in which there are 126.4 parts of copper to 58.9 parts of tin, with sometimes a small proportion of arsenic, antimony, or zinc added to improve the whiteness.
Specular iron
Iron I"ron ([imac]"[u^]rn), n. [OE. iren, AS. [=i]ren, [=i]sen, [=i]sern; akin to D. ijzer, OS. [=i]sarn, OHG. [=i]sarn, [=i]san, G. eisen, Icel. [=i]sarn, j[=a]rn, Sw. & Dan. jern, and perh. to E. ice; cf. Ir. iarann, W. haiarn, Armor. houarn.] 1. (Chem.) The most common and most useful metallic element, being of almost universal occurrence, usually in the form of an oxide (as hematite, magnetite, etc.), or a hydrous oxide (as limonite, turgite, etc.). It is reduced on an enormous scale in three principal forms; viz., cast iron, steel, and wrought iron. Iron usually appears dark brown, from oxidation or impurity, but when pure, or on a fresh surface, is a gray or white metal. It is easily oxidized (rusted) by moisture, and is attacked by many corrosive agents. Symbol Fe (Latin Ferrum). Atomic weight 55.9. Specific gravity, pure iron, 7.86; cast iron, 7.1. In magnetic properties, it is superior to all other substances. Note: The value of iron is largely due to the facility with which it can be worked. Thus, when heated it is malleable and ductile, and can be easily welded and forged at a high temperature. As cast iron, it is easily fusible; as steel, is very tough, and (when tempered) very hard and elastic. Chemically, iron is grouped with cobalt and nickel. Steel is a variety of iron containing more carbon than wrought iron, but less that cast iron. It is made either from wrought iron, by roasting in a packing of carbon (cementation) or from cast iron, by burning off the impurities in a Bessemer converter (then called Bessemer steel), or directly from the iron ore (as in the Siemens rotatory and generating furnace). 2. An instrument or utensil made of iron; -- chiefly in composition; as, a flatiron, a smoothing iron, etc. My young soldier, put up your iron. --Shak. 3. pl. Fetters; chains; handcuffs; manacles. Four of the sufferers were left to rot in irons. --Macaulay. 4. Strength; power; firmness; inflexibility; as, to rule with a rod of iron. Bar iron. See Wrought iron (below). Bog iron, bog ore; limonite. See Bog ore, under Bog. Cast iron (Metal.), an impure variety of iron, containing from three to six percent of carbon, part of which is united with a part of the iron, as a carbide, and the rest is uncombined, as graphite. It there is little free carbon, the product is white iron; if much of the carbon has separated as graphite, it is called gray iron. See also Cast iron, in the Vocabulary. Fire irons. See under Fire, n. Gray irons. See under Fire, n. Gray iron. See Cast iron (above). It irons (Naut.), said of a sailing vessel, when, in tacking, she comes up head to the wind and will not fill away on either tack. Magnetic iron. See Magnetite. Malleable iron (Metal.), iron sufficiently pure or soft to be capable of extension under the hammer; also, specif., a kind of iron produced by removing a portion of the carbon or other impurities from cast iron, rendering it less brittle, and to some extent malleable. Meteoric iron (Chem.), iron forming a large, and often the chief, ingredient of meteorites. It invariably contains a small amount of nickel and cobalt. Cf. Meteorite. Pig iron, the form in which cast iron is made at the blast furnace, being run into molds, called pigs. Reduced iron. See under Reduced. Specular iron. See Hematite. Too many irons in the fire, too many objects requiring the attention at once. White iron. See Cast iron (above). Wrought iron (Metal.), the purest form of iron commonly known in the arts, containing only about half of one per cent of carbon. It is made either directly from the ore, as in the Catalan forge or bloomery, or by purifying (puddling) cast iron in a reverberatory furnace or refinery. It is tough, malleable, and ductile. When formed into bars, it is called bar iron.
specular iron
Hematite Hem"a*tite, n. [L. haematites, Gr. ? bloodlike, fr. a"i^ma, a"i`matos, blood.] (Min.) An important ore of iron, the sesquioxide, so called because of the red color of the powder. It occurs in splendent rhombohedral crystals, and in massive and earthy forms; -- the last called red ocher. Called also specular iron, oligist iron, rhombohedral iron ore, and bloodstone. See Brown hematite, under Brown.
specular pig iron
Spiegel iron Spie"gel i`ron [G. spiegel mirror + E. iron.] (Metal.) A fusible white cast iron containing a large amount of carbon (from three and a half to six per cent) and some manganese. When the manganese reaches twenty-five per cent and upwards it has a granular structure, and constitutes the alloy ferro manganese, largely used in the manufacture of Bessemer steel. Called also specular pig iron, spiegel, and spiegeleisen.
Speculate
Speculate Spec"u*late, v. t. To consider attentively; as, to speculate the nature of a thing. [R.] --Sir W. Hamilton.
Speculate
Speculate Spec"u*late, v. i. [imp. & p. p. Speculated; p. pr. & vb. n. Speculating.] [L. speculatus, p. p. of speculari to spy out, observe, fr. specula a lookout, fr. specere to look. See Spy.] 1. To consider by turning a subject in the mind, and viewing it in its different aspects and relations; to meditate; to contemplate; to theorize; as, to speculate on questions in religion; to speculate on political events. It is remarkable that persons who speculate the most boldly often conform with the most pefect quietude to the external regulations of society. --Hawthorne. 2. (Philos.) To view subjects from certain premises given or assumed, and infer conclusions respecting them a priori. 3. (Com.) To purchase with the expectation of a contingent advance in value, and a consequent sale at a profit; -- often, in a somewhat depreciative sense, of unsound or hazardous transactions; as, to speculate in coffee, in sugar, or in bank stock.
Speculated
Speculate Spec"u*late, v. i. [imp. & p. p. Speculated; p. pr. & vb. n. Speculating.] [L. speculatus, p. p. of speculari to spy out, observe, fr. specula a lookout, fr. specere to look. See Spy.] 1. To consider by turning a subject in the mind, and viewing it in its different aspects and relations; to meditate; to contemplate; to theorize; as, to speculate on questions in religion; to speculate on political events. It is remarkable that persons who speculate the most boldly often conform with the most pefect quietude to the external regulations of society. --Hawthorne. 2. (Philos.) To view subjects from certain premises given or assumed, and infer conclusions respecting them a priori. 3. (Com.) To purchase with the expectation of a contingent advance in value, and a consequent sale at a profit; -- often, in a somewhat depreciative sense, of unsound or hazardous transactions; as, to speculate in coffee, in sugar, or in bank stock.
Speculating
Speculate Spec"u*late, v. i. [imp. & p. p. Speculated; p. pr. & vb. n. Speculating.] [L. speculatus, p. p. of speculari to spy out, observe, fr. specula a lookout, fr. specere to look. See Spy.] 1. To consider by turning a subject in the mind, and viewing it in its different aspects and relations; to meditate; to contemplate; to theorize; as, to speculate on questions in religion; to speculate on political events. It is remarkable that persons who speculate the most boldly often conform with the most pefect quietude to the external regulations of society. --Hawthorne. 2. (Philos.) To view subjects from certain premises given or assumed, and infer conclusions respecting them a priori. 3. (Com.) To purchase with the expectation of a contingent advance in value, and a consequent sale at a profit; -- often, in a somewhat depreciative sense, of unsound or hazardous transactions; as, to speculate in coffee, in sugar, or in bank stock.
Speculatist
Speculatist Spec"u*la*tist, n. One who speculates, or forms theories; a speculator; a theorist. The very ingenious speculatist, Mr. Hume. --V. Knox.
Speculatively
The speculative merchant exercises no one regular, established, or well-known branch of business. --A. Smith. -- Spec"u*la*tive*ly, adv. -- Spec"u*la*tive*ness, n.
Speculativeness
The speculative merchant exercises no one regular, established, or well-known branch of business. --A. Smith. -- Spec"u*la*tive*ly, adv. -- Spec"u*la*tive*ness, n.
Speculatorial
Speculatorial Spec`u*la*to"ri*al, a. Speculatory; speculative. [Obs.]
Speculatory
Speculatory Spec"u*la*to*ry, a. [L. speculatorius belonging to spies or scouts.] 1. Intended or adapted for viewing or espying; having oversight. --T. Warton. 2. Exercising speculation; speculative. --T. Carew.
Speculist
Speculist Spec"u*list, n. One who observes or considers; an observer. [R.] --Goldsmith.
Speculum
Speculum Spec"u*lum, n.; pl. L. Specula, E. Speculum. [L., fr. specere to look, behold. See Spy.] 1. A mirror, or looking-glass; especially, a metal mirror, as in Greek and Roman arch[ae]ology. 2. A reflector of polished metal, especially one used in reflecting telescopes. See Speculum metal, below. 3. (Surg.) An instrument for dilating certain passages of the body, and throwing light within them, thus facilitating examination or surgical operations. 4. (Zo["o]l.) A bright and lustrous patch of color found on the wings of ducks and some other birds. It is usually situated on the distal portions of the secondary quills, and is much more brilliant in the adult male than in the female. Speculum metal, a hard, brittle alloy used for making the reflectors of telescopes and other instruments, usually consisting of copper and tin in various proportions, one of the best being that in which there are 126.4 parts of copper to 58.9 parts of tin, with sometimes a small proportion of arsenic, antimony, or zinc added to improve the whiteness.
Speculum
Speculum Spec"u*lum, n.; pl. L. Specula, E. Speculum. [L., fr. specere to look, behold. See Spy.] 1. A mirror, or looking-glass; especially, a metal mirror, as in Greek and Roman arch[ae]ology. 2. A reflector of polished metal, especially one used in reflecting telescopes. See Speculum metal, below. 3. (Surg.) An instrument for dilating certain passages of the body, and throwing light within them, thus facilitating examination or surgical operations. 4. (Zo["o]l.) A bright and lustrous patch of color found on the wings of ducks and some other birds. It is usually situated on the distal portions of the secondary quills, and is much more brilliant in the adult male than in the female. Speculum metal, a hard, brittle alloy used for making the reflectors of telescopes and other instruments, usually consisting of copper and tin in various proportions, one of the best being that in which there are 126.4 parts of copper to 58.9 parts of tin, with sometimes a small proportion of arsenic, antimony, or zinc added to improve the whiteness.
Speculum metal
Speculum Spec"u*lum, n.; pl. L. Specula, E. Speculum. [L., fr. specere to look, behold. See Spy.] 1. A mirror, or looking-glass; especially, a metal mirror, as in Greek and Roman arch[ae]ology. 2. A reflector of polished metal, especially one used in reflecting telescopes. See Speculum metal, below. 3. (Surg.) An instrument for dilating certain passages of the body, and throwing light within them, thus facilitating examination or surgical operations. 4. (Zo["o]l.) A bright and lustrous patch of color found on the wings of ducks and some other birds. It is usually situated on the distal portions of the secondary quills, and is much more brilliant in the adult male than in the female. Speculum metal, a hard, brittle alloy used for making the reflectors of telescopes and other instruments, usually consisting of copper and tin in various proportions, one of the best being that in which there are 126.4 parts of copper to 58.9 parts of tin, with sometimes a small proportion of arsenic, antimony, or zinc added to improve the whiteness.

Meaning of Specu from wikipedia

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- The Novum Organum, fully Novum Organum, sive Indicia Vera de Interpretatione Naturae ("New organon, or true directions concerning the interpretation of...
- nuntiavit Olisiponensium legatio ob id missa visum auditumque in quodam specu concha canentem Tritonem qua noscitur forma. et Nereidum falsa non est,...
- Diocesan Museum, in the Church of Sant'Agostino Optical Illusions Museum Specus Corallii designed by architect Antonino Cardillo The city is renowned for...
- philosophy Philosophical logic Notable ideas List Baconian method Idola fori Idola theatri Idola specus Idola tribus Knowledge is power Salomon's House...
- nascetur pro te, Israel. 2. Veni o Jesse virgula! Ex hostis tuos ungula, De specu tuos tartari Educ, et antro barathri. [3rd antiphon] 3. Veni, veni o Oriens...
- (817 ft), including the ends where the specus (water channel) runs atop a wall. Detail of the aqueduct Specus of the aqueduct Detail of the aqueduct arches...
- "Constantine's Cave" – also known as the Nigra Specus ("Black Cave") – at Balcomie near Crail in Fife, Scotland: the supposed death place of Causantín...