Main Difference
The main difference between Chain and Necklace is that the Chain is a series of connected links which are typically made of metal and Necklace is a article of jewellery.
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Chain
A chain is a serial assembly of connected pieces, called links, typically made of metal, with an overall character similar to that of a rope in that it is flexible and curved in compression but linear, rigid, and load-bearing in tension. A chain may consist of two or more links. Chains can be classified by their design, which is dictated by their use:
Those designed for lifting, such as when used with a hoist; for pulling; or for securing, such as with a bicycle lock, have links that are torus shaped, which make the chain flexible in two dimensions (The fixed third dimension being a chain’s length.) Small chains serving as jewellery are a mostly decorative analogue of such types.
Those designed for transferring power in machines have links designed to mesh with the teeth of the sprockets of the machine, and are flexible in only one dimension. They are known as roller chains, though there are also non-roller chains such as block chain.Two distinct chains can be connected using a quick link, carabiner, or clevis.
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Necklace
A necklace is an article of jewelry that is worn around the neck. Necklaces may have been one of the earliest types of adornment worn by humans. They often serve ceremonial, religious, magical, or funerary purposes and are also used as symbols of wealth and status, given that they are commonly made of precious metals and stones.
The main component of a necklace is the band, chain, or cord that wraps around the neck. These are most often rendered in precious metals such as gold, silver, and platinum. Necklaces often have additional attachments suspended or inset into the necklace itself. These attachments typically include pendants, lockets, amulets, crosses, and precious and semi-precious materials such as diamond, pearls, rubies, emeralds, garnets, and sapphires.
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Chain (noun)
A series of interconnected rings or links usually made of metal.
“He wore a gold chain around the neck.”
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Chain (noun)
A series of interconnected things.
“a chain of mountains”
“a chain of ideas, one leading to the next”
“This led to an unfortunate chain of events.”
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Chain (noun)
A series of stores or businesses with the same brand name.
“That chain of restaurants is expanding into our town.”
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Chain (noun)
A number of atoms in a series, which combine to form a molecule.
“When examined, the molecular chain included oxygen and hydrogen.”
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Chain (noun)
A series of interconnected links of known length, used as a measuring device.
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Chain (noun)
A long measuring tape.
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Chain (noun)
A unit of length equal to 22 yards. The length of a Gunter’s surveying chain. The length of a cricket pitch. Equal to 20.12 metres, 4 rods, or 100 links.
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Chain (noun)
A totally ordered set, especially a totally ordered subset of a poset.
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Chain (noun)
A pulls out).
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Chain (noun)
That which confines, fetters, or secures; a bond.
“the chains of habit”
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Chain (noun)
Iron links bolted to the side of a vessel to bold the dead-eyes connected with the shrouds; also, the channels.
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Chain (noun)
The warp threads of a web.
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Chain (verb)
To fasten something with a chain.
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Chain (verb)
To link multiple items together.
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Chain (verb)
To secure someone with fetters.
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Chain (verb)
To obstruct the mouth of a river etc with a chain.
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Chain (verb)
To obligate.
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Chain (verb)
To relate data items with a chain of pointers.
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Chain (verb)
To be chained to another data item.
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Chain (verb)
To measure a distance using a 66-foot long chain, as in land surveying.
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Chain (verb)
}} To load and automatically run (a program).
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Necklace (noun)
An article of jewelry that is worn around the neck, most often made of a string of precious metal, pearls, gems, beads or shells, and sometimes having a pendant attached.
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Necklace (noun)
Anything resembling a necklace in shape.
“a necklace of coral islands”
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Necklace (noun)
A method of informal execution in which a rubber tyre is filled with petrol, placed around the victim’s chest and arms, and set on fire.
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Necklace (verb)
To informally execute by setting on fire a petrol-filled rubber tyre which has been put around the bound victim’s neck.
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Chain (noun)
a series of linked metal rings used for fastening or securing something, or for pulling loads
“the drug dealer is being kept in chains”
“he slid the bolts on the front door and put the safety chain across”
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Chain (noun)
a decorative chain worn round the neck as jewellery or as a badge of office
“a tall man with a heavy gold chain round his neck”
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Chain (noun)
a restrictive force or factor
“workers secured by the chains of the labour market”
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Chain (noun)
a sequence of items of the same type forming a line
“he kept the chain of buckets supplied with water”
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Chain (noun)
a series of connected elements
“the action would initiate a chain of events”
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Chain (noun)
a connected series of mountains
“a mountain chain”
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Chain (noun)
a group of hotels, restaurants, or shops owned by the same company
“a chain restaurant”
“the agency is part of a nationwide chain”
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Chain (noun)
a situation in which the sale of a house or flat is dependent on the prospective buyer selling their own or the seller buying another first
“our offer was accepted this morning and there’s no chain”
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Chain (noun)
a part of a molecule consisting of a number of atoms bonded together in a linear sequence.
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Chain (noun)
a figure in a quadrille or similar dance, in which dancers meet and pass each other in a continuous sequence.
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Chain (noun)
a jointed measuring line consisting of linked metal rods.
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Chain (noun)
a measure of length equivalent to a chain (66 ft).
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Chain (noun)
a structure of planks projecting horizontally from a sailing ship’s sides abreast of the masts, used to widen the basis for the shrouds.
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Chain (verb)
fasten or secure with a chain
“she chained her bicycle to the railings”
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Chain (verb)
confine with a chain
“he had been chained up”
“as an actuary you will not be chained to a desk”
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Necklace (noun)
an ornamental chain or string of beads, jewels, or links worn round the neck
“the harbour with its necklace of lights”
“a diamond necklace”
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Necklace (noun)
(in South Africa) a tyre doused or filled with petrol, placed round a victim’s neck and set alight.
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Necklace (verb)
(in South Africa) kill (someone) with a tyre necklace.