| chain | | |
| n. (group) | 1. chain, concatenation | a series of things depending on each other as if linked together.; "the chain of command"; "a complicated concatenation of circumstances" |
| ~ catena | a chain of connected ideas or passages or objects so arranged that each member is closely related to the preceding and following members (especially a series of patristic comments elucidating Christian dogma). |
| ~ daisy chain | (figurative) a series of associated things or people or experiences. |
| ~ series | similar things placed in order or happening one after another.; "they were investigating a series of bank robberies" |
| n. (object) | 2. chain, chemical chain | (chemistry) a series of linked atoms (generally in an organic molecule). |
| ~ chemical science, chemistry | the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions. |
| ~ closed chain, ring | (chemistry) a chain of atoms in a molecule that forms a closed loop. |
| ~ long-chain molecule, long chain | (chemistry) a relatively long chain of atoms in a molecule. |
| ~ open chain | a chain of atoms in a molecule whose ends are not joined to form a ring. |
| ~ building block, unit | a single undivided natural thing occurring in the composition of something else.; "units of nucleic acids" |
| ~ molecule | (physics and chemistry) the simplest structural unit of an element or compound. |
| n. (artifact) | 3. chain | a series of (usually metal) rings or links fitted into one another to make a flexible ligament. |
| ~ anchor chain, anchor rope | the chain or rope that attaches an anchor to a vessel. |
| ~ bicycle, bike, cycle, wheel | a wheeled vehicle that has two wheels and is moved by foot pedals. |
| ~ bicycle chain | a chain that transmits the power from the pedals to the rear wheel of a bicycle. |
| ~ chain printer | an impact printer that carries the type slugs by links of a revolving chain. |
| ~ chain tongs | a pipe wrench used for turning large pipes; an adjustable chain circles the pipe with its ends connected to the head whose teeth engage the pipe. |
| ~ chatelaine | a chain formerly worn at the waist by women; for carrying a purse or bunch of keys etc.. |
| ~ watch chain, watch guard, fob | short chain or ribbon attaching a pocket watch to a man's vest. |
| ~ ligament | any connection or unifying bond. |
| ~ paper chain | a chain made of loops of colored paper; used to decorate a room. |
| ~ pull chain | a chain (usually with a handle at the end) that is pulled in order to operate some mechanism (e.g. to flush a toilet). |
| ~ snow chain, tire chain | chain attached to wheels to increase traction on ice or snow. |
| n. (group) | 4. chain | (business) a number of similar establishments (stores or restaurants or banks or hotels or theaters) under one ownership. |
| ~ business enterprise, business, commercial enterprise | the activity of providing goods and services involving financial and commercial and industrial aspects.; "computers are now widely used in business" |
| ~ chain store | one of a chain of retail stores under the same management and selling the same merchandise. |
| ~ business, business concern, business organisation, business organization, concern | a commercial or industrial enterprise and the people who constitute it.; "he bought his brother's business"; "a small mom-and-pop business"; "a racially integrated business concern" |
| ~ apparel chain | a chain of clothing stores. |
| ~ discount chain | a chain of discount stores. |
| ~ restaurant chain | a chain of restaurants. |
| ~ retail chain | a chain of retail stores. |
| n. (artifact) | 5. chain | anything that acts as a restraint. |
| ~ constraint, restraint | a device that retards something's motion.; "the car did not have proper restraints fitted" |
| n. (quantity) | 6. chain | a unit of length. |
| ~ linear measure, linear unit | a unit of measurement of length. |
| ~ yard, pace | a unit of length equal to 3 feet; defined as 91.44 centimeters; originally taken to be the average length of a stride. |
| ~ gunter's chain | a unit of length (22 yards). |
| ~ engineer's chain | a unit of length (100 ft). |
| ~ link | a unit of length equal to 1/100 of a chain. |
| ~ nautical chain | a nautical unit of length (15 ft). |
| n. (person) | 7. chain, ernst boris chain, sir ernst boris chain | British biochemist (born in Germany) who isolated and purified penicillin, which had been discovered in 1928 by Sir Alexander Fleming (1906-1979). |
| ~ biochemist | someone with special training in biochemistry. |
| n. (object) | 8. chain, chain of mountains, mountain chain, mountain range, range, range of mountains | a series of hills or mountains.; "the valley was between two ranges of hills"; "the plains lay just beyond the mountain range" |
| ~ adirondack mountains, adirondacks | a mountain range in northeastern New York State; a popular resort area. |
| ~ admiralty range | mountains in Antarctica to the north of Victoria Land. |
| ~ alaska range | a mountain range in south central Alaska; contains Mount McKinley. |
| ~ alleghenies, allegheny mountains | the western part of the Appalachian Mountains; extending from northern Pennsylvania to southwestern Virginia. |
| ~ alps, the alps | a large mountain system in south-central Europe; scenic beauty and winter sports make them a popular tourist attraction. |
| ~ altai mountains, altay mountains | a mountain range in central Asia that extends a thousand miles from Kazakhstan eastward into western Mongolia and northern China. |
| ~ andes | a mountain range in South America running 5000 miles along the Pacific coast. |
| ~ apennines | a mountain range extending the length of the Italian peninsula. |
| ~ appalachian mountains, appalachians | a mountain range in the eastern United States extending from Quebec to the Gulf of Mexico; a historic barrier to early westward expansion of the United States. |
| ~ atlas mountains | a mountain range in northern Africa between the Mediterranean and the Sahara Desert; extends from southwestern Morocco to northern Tunisia. |
| ~ australian alps | a range of mountains in Australia that forms the southern end of the Great Dividing Range. |
| ~ balkan mountain range, balkan mountains, balkans | the major mountain range of Bulgaria and the Balkan Peninsula. |
| ~ berkshire hills, berkshires | a low mountain range in western Massachusetts; a resort area. |
| ~ black hills | mountains in southwestern South Dakota and northeastern Wyoming; sacred to the Sioux (whites settling in the Black Hills led to the Battle of Little Bighorn); site of Mount Rushmore. |
| ~ blue ridge, blue ridge mountains | a range of the Appalachians extending from southern Pennsylvania to northern Georgia. |
| ~ cantabrian mountains | a range of mountains in northern Spain along the coast of the Bay of Biscay. |
| ~ carpathian mountains, carpathians | a mountain range in central Europe that extends from Slovakia and southern Poland southeastward through western Ukraine to northeastern Romania; a popular resort area. |
| ~ cascade mountains, cascade range, cascades | a mountain range in the northwestern United States extending through Washington and Oregon and northern California; a part of the Coast Range. |
| ~ catskill mountains, catskills | a range of the Appalachians to the west of the Hudson in southeastern New York; includes many popular resort areas. |
| ~ caucasus, caucasus mountains | the mountain range in Caucasia between the Black Sea and the Caspian Sea that forms part of the traditional border between Europe and Asia. |
| ~ coast mountains, coast range | a string of mountain ranges along the Pacific coast of North America from southeastern Alaska to Lower California. |
| ~ cumberland mountains, cumberland plateau | the southwestern part of the Appalachians. |
| ~ dolomite alps | an eastern range of the Alps in northeastern Italy famous for their dolomitic limestone. |
| ~ geological formation, formation | (geology) the geological features of the earth. |
| ~ eastern highlands, great dividing range | a mountain range running along the eastern coast of Australia. |
| ~ great smoky mountains | part of the Appalachians between North Carolina and Tennessee. |
| ~ green mountains | a range of the Appalachian Mountains that extends from south to north through Vermont. |
| ~ guadalupe mountains | a mountain range in southern New Mexico and western Texas; the southern extension of the Sacramento Mountains. |
| ~ himalaya, himalaya mountains, himalayas | a mountain range extending 1500 miles on the border between India and Tibet; this range contains the world's highest mountain. |
| ~ hindu kush, hindu kush mountains | a mountain range extending to the west of the Himalayas. |
| ~ karakoram, karakoram range, karakorum range, mustagh, mustagh range | a mountain range in northern Kashmir; an extension of the Hindu Kush; contains the 2nd highest peak. |
| ~ kuenlun, kuenlun mountains, kunlan shan, kunlun, kunlun mountains | a mountain range in western China that extends eastward from the Indian border for 1000 miles. |
| ~ massif | a block of the earth's crust bounded by faults and shifted to form peaks of a mountain range. |
| ~ mesabi range | a range of hills in northeastern Minnesota where rich iron ore deposits were discovered in 1887. |
| ~ mount carmel | a mountain range in northwestern Israel near the Mediterranean coast.; "according to the Old Testament, Elijah defeated the priests of Baal at Mount Carmel" |
| ~ nan ling | a mountain range in southeastern China running generally east to west. |
| ~ ozark mountains, ozark plateau, ozarks | an area of low mountains in northwestern Arkansas and southeastern Missouri and northeastern Oklahoma. |
| ~ pamir mountains, the pamirs | a mountain range in central Asia that is centered in Tajikistan but extends into Kyrgyzstan and Afghanistan and Pakistan and western China. |
| ~ mountain pass, notch, pass | the location in a range of mountains of a geological formation that is lower than the surrounding peaks.; "we got through the pass before it started to snow" |
| ~ pyrenees | a chain of mountains between France and Spain. |
| ~ rhodope mountains | a mountain range in the Balkan peninsula in southeastern Europe; extends along the border between Greece and Bulgaria. |
| ~ rockies, rocky mountains | the chief mountain range of western North America; extends from British Columbia to northern New Mexico; forms the continental divide. |
| ~ sacramento mountains | mountain range in New Mexico to the east of the Rio Grande. |
| ~ san juan mountains | a mountain range in southwestern Colorado that is part of the Rocky Mountains. |
| ~ sayan mountains | a range of mountains in southern Siberia to the west of Lake Baikal; contain important mineral deposits. |
| ~ selkirk mountains | a range of the Rocky Mountains in southeastern British Columbia. |
| ~ sierra | a range of mountains (usually with jagged peaks and irregular outline). |
| ~ sierra madre occidental | a mountain range in northwestern Mexico that runs south from Arizona parallel to the Pacific coastline. |
| ~ sierra madre oriental | a mountain range in northeastern Mexico the runs parallel to the coastline of the Gulf of Mexico. |
| ~ high sierra, sierra nevada mountains, sierra nevada | a mountain range in eastern California; contains Mount Whitney. |
| ~ sierra nevada | a mountain range in southern Spain along the Mediterranean coast to the east of Granada. |
| ~ st. elias mountains, st. elias range | a range of mountains between Alaska and the Yukon territory. |
| ~ taconic mountains | a range of the Appalachian Mountains along the eastern border of New York with Connecticut, Massachusetts, and Vermont. |
| ~ teton range | a mountain range in northwest Wyoming; contains the Grand Teton. |
| ~ tien shan, tyan shan | a major mountain range of central Asia; extends 1,500 miles. |
| ~ transylvanian alps | a range of the southern Carpathian Mountains extending across central Romania. |
| ~ tyrolean alps | a popular tourist area in the Tyrol. |
| ~ ural mountains, urals | a mountain range in western Russia extending from the Arctic to the Caspian Sea; forms part of the traditional boundary between Europe and Asia. |
| n. (artifact) | 9. chain | a linked or connected series of objects.; "a chain of daisies" |
| ~ necklace | jewelry consisting of a cord or chain (often bearing gems) worn about the neck as an ornament (especially by women). |
| n. (artifact) | 10. chain, strand, string | a necklace made by a stringing objects together.; "a string of beads"; "a strand of pearls" |
| ~ necklace | jewelry consisting of a cord or chain (often bearing gems) worn about the neck as an ornament (especially by women). |
| v. (contact) | 11. chain | connect or arrange into a chain by linking. |
| ~ arrange, set up | put into a proper or systematic order.; "arrange the books on the shelves in chronological order" |
| ~ concatenate | combine two strings to form a single one. |
| v. (contact) | 12. chain | fasten or secure with chains.; "Chain the chairs together" |
| ~ fasten, fix, secure | cause to be firmly attached.; "fasten the lock onto the door"; "she fixed her gaze on the man" |
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