e. chain

World English Dictionary
chain (tʃeɪn)
1.  a flexible length of metal links, used for confining, connecting, pulling, etc, or in jewellery
2.  (usually plural) anything that confines, fetters, or restrains: the chains of poverty
3.  (usually plural) Also called: snow chains a set of metal links that fit over the tyre of a motor vehicle to increase traction and reduce skidding on an icy surface
4.  a.  a number of establishments such as hotels, shops, etc, having the same owner or management
 b.  (as modifier): a chain store
5.  a series of related or connected facts, events, etc
6.  a series of deals in which each depends on a purchaser selling before being able to buy
7.  See (as an example) sorites (of reasoning) a sequence of arguments each of which takes the conclusion of the preceding as a premise
8.  Also called: Gunter's chain a unit of length equal to 22 yards
9.  Also called: engineer's chain a unit of length equal to 100 feet
10.  chem open chain See also ring two or more atoms or groups bonded together so that the configuration of the resulting molecule, ion, or radical resembles a chain
11.  geography a series of natural features, esp approximately parallel mountain ranges
12.  informal (Austral), (NZ) off the chain free from responsibility
13.  informal jerk someone's chain, yank someone's chain to tease, mislead, or harass someone
vb (often foll by up)
14.  surveying to measure with a chain or tape
15.  to confine, tie, or make fast with or as if with a chain
16.  to sew using chain stitch
[C13: from Old French chaine, ultimately from Latin; see catena]

Chain (tʃeɪn)
Sir Ernst Boris. 1906--79, British biochemist, born in Germany: purified and adapted penicillin for clinical use; with Fleming and Florey shared the Nobel prize for physiology or medicine 1945

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

c.1300, from O.Fr. chaeine, from L. catena "chain," from PIE base *kat- "to twist, twine." The verb is attested from late 14c. Chain of stores is Amer.Eng., 1846. Chain letter first recorded 1906.
"In 1896, Miss Audrey Griffin, of Hurstville, New South Wales initiated a 'chain letter' with the object of obtaining 1,000,000 used postage stamps." ["Daily Chronicle," July 27, 1906]
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

chain (chān)

  1. A group of atoms covalently bonded in a spatial configuration like links in a chain.

  2. A linear arrangement of living things such as cells or bacteria.

Chain (chān), Ernst Boris. 1906-1979.

German-born British biochemist. He shared a 1945 Nobel Prize for isolating and purifying penicillin, discovered in 1928 by Sir Alexander Fleming.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
chain   (chān)  Pronunciation Key 
A group of atoms, often of the same element, bound together in a line, branched line, or ring to form a molecule. ◇ In a straight chain, each of the constituent atoms is attached to other single atoms, not to groups of atoms. ◇ In a branched chain, side groups are attached to the chain. ◇ In a closed chain, the atoms are arranged in the shape of a ring.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Bible Dictionary

Chain definition

(1.) A part of the insignia of office. A chain of gold was placed about Joseph's neck (Gen. 41:42); and one was promised to Daniel (5:7). It is used as a symbol of sovereignty (Ezek. 16:11). The breast-plate of the high-priest was fastened to the ephod by golden chains (Ex. 39:17, 21). (2.) It was used as an ornament (Prov. 1:9; Cant. 1:10). The Midianites adorned the necks of their camels with chains (Judg. 8:21, 26). (3.) Chains were also used as fetters wherewith prisoners were bound (Judg. 16:21; 2 Sam. 3:34; 2 Kings 25:7; Jer. 39:7). Paul was in this manner bound to a Roman soldier (Acts 28:20; Eph. 6:20; 2 Tim. 1:16). Sometimes, for the sake of greater security, the prisoner was attached by two chains to two soldiers, as in the case of Peter (Acts 12:6).

Easton's 1897 Bible Dictionary
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