Brass - significado y definición. Qué es Brass
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Qué (quién) es Brass - definición

ALLOY OF COPPER AND ZINC
Prince's metal; Prince Rupert's metal; Goldine; Brassmetal; Prince Rupert's Metal; Alpha brass; Alpha-beta brass; Beta brass; White brass; Admiralty brass; Arsenical brass; Cartridge brass; Common brass; Leaded brass; Naval brass; Yellow brass; Prince's Metal; Manganese brass; Tonval; Brass - History; Brassware; Ornamental brassware; Ornamental+brassware; Ornamental brasses; Ornamental brass; Abyssinian gold; Tobin bronze; Aluminum brass; Aluminium brass; Admiralty metal; Aich's Alloy
  • Brass sampling cock with stainless steel handle
  • 12th century "[[Bronze Head from Ife]]", actually of "heavily leaded zinc-brass"
  • Cracking in brass caused by [[ammonia]] attack
  • Brass [[lectern]] with an eagle. Attributed to [[Aert van Tricht]], [[Limburg (Netherlands)]], c. 1500.
  • Binary phase diagram
  • 7th-century Persian [[ewer]] in brass with copper inlay
  • Brass [[aquamanile]] from [[Lower Saxony]], Germany, c. 1250
  • annealed]] brass (400× magnification)
  • [[Islamic Golden Age]] Brass [[astrolabe]]
  • Baptism of Christ]]'' on the 12th-century [[baptismal font at St Bartholomew's Church, Liège]]
  • A collection of brass instruments

Brass         
·noun Impudence; a brazen face.
II. Brass ·noun Coin made of copper, brass, or bronze.
III. Brass ·noun Utensils, ornaments, or other articles of brass.
IV. Brass ·noun Lumps of pyrites or sulphuret of iron, the color of which is near to that of brass.
V. Brass ·noun A brass plate engraved with a figure or device. Specifically, one used as a memorial to the dead, and generally having the portrait, coat of arms, ·etc.
VI. Brass ·noun An alloy (usually yellow) of copper and zinc, in variable proportion, but often containing two parts of copper to one part of zinc. It sometimes contains tin, and rarely other metals.
VII. Brass ·noun A journal bearing, so called because frequently made of brass. A brass is often lined with a softer metal, when the latter is generally called a white metal lining. ·see Axle box, Journal Box, and Bearing.
brass         
1.
Brass is a yellow-coloured metal made from copper and zinc. It is used especially for making ornaments and musical instruments.
The instrument is beautifully made in brass.
N-UNCOUNT
2.
The brass is the section of an orchestra which consists of brass wind instruments such as trumpets and horns.
N-SING
3.
If you get down to brass tacks, you discuss the basic, most important facts of a situation.
Angola's ruling party was due to get down to brass tacks today with a debate on the party's record.
PHRASE: V inflects
brass         
¦ noun
1. a yellow alloy of copper and zinc.
(also horse brass) Brit. a flat brass ornament for the harness of a draught horse.
a memorial consisting of a flat piece of inscribed brass set into the wall or floor of a church.
a brass block used for stamping a design on a book binding.
2. brass wind instruments forming a band or section of an orchestra.
3. (also top brass) informal people in authority.
4. Brit. informal money.
Phrases
brassed off Brit. informal exasperated.
brass monkey Brit. informal used to indicate extremely cold weather: cold enough to freeze the balls off a brass monkey. [from a type of brass rack or 'monkey' in which cannonballs were stored and which contracted in very cold weather, ejecting the balls.]
get down to brass tacks informal start to consider the basic facts or practical details.
Origin
OE br?s, of unknown origin.

Wikipedia

Brass

Brass is an alloy of copper (Cu) and zinc (Zn), in proportions which can be varied to achieve different colours and mechanical, electrical, and chemical properties, but copper typically has the larger proportion. In use since prehistoric times, it is a substitutional alloy: atoms of the two constituents may replace each other within the same crystal structure.

Brass is similar to bronze, another copper alloy that uses tin instead of zinc. Both bronze and brass may include small proportions of a range of other elements including arsenic (As), lead (Pb), phosphorus (P), aluminium (Al), manganese (Mn), and silicon (Si). Historically, the distinction between the two alloys has been less consistent and clear, and increasingly museums use the more general term "copper alloy."

Brass has long been a popular material for its bright gold-like appearance and is still used for drawer pulls and doorknobs. It has also been widely used to make sculpture and utensils because of its low melting point, high workability (both with hand tools and with modern turning and milling machines), durability, and electrical and thermal conductivity. Brasses with higher copper content are softer and more golden in colour; conversely those with less copper and thus more zinc are harder and more silvery in colour.

Brass is still commonly used in applications where corrosion resistance and low friction are required, such as locks, hinges, gears, bearings, ammunition casings, zippers, plumbing, hose couplings, valves, and electrical plugs and sockets. It is used extensively for musical instruments such as horns and bells. The composition of brass, generally 66% copper and 34% zinc, makes it a favorable substitute for copper in costume jewelry and fashion jewelry, as it exhibits greater resistance to corrosion. Brass is not as hard as bronze, and so is not suitable for most weapons and tools nor marine uses, because the zinc reacts with minerals in salt water, leaving porous copper behind; Marine brass, with added tin, avoids this, as does bronze.

Brass is often used in situations in which it is important that sparks not be struck, such as in fittings and tools used near flammable or explosive materials.

Ejemplos de uso de Brass
1. Some even applauded them for their brass–knuckle tactics.
2. And perhaps even more important, the Pentagon brass.
3. Rugby league, brass bands and coal mining are in.
4. Advertisement However, the police top brass sounded fairly optimistic.
5. That‘s the brass ring Musk‘s company hopes to grab.