[{"Bold_text": "noun", "List Items": ["a series of objects connected one after the other, usually in the form of a series of metal rings passing through one another, used either for various purposes requiring a flexible tie with high tensile strength, as for hauling, supporting, or confining, or in various ornamental and decorative forms.", "Oftenchains.something that binds or restrains; bond:the chain of timidity; the chains of loyalty.", "chains,shackles or fetters:to place a prisoner in chains.bondage; servitude:to live one's life in chains.Nautical.(in a sailing vessel) the area outboard at the foot of the shrouds of a mast: the customary position of the leadsman in taking soundings. tire chain tire chain.", "shackles or fetters:to place a prisoner in chains.", "bondage; servitude:to live one's life in chains.", "Nautical.(in a sailing vessel) the area outboard at the foot of the shrouds of a mast: the customary position of the leadsman in taking soundings.", "tire chain tire chain.", "a series of things connected or following in succession:a chain of events.Synonyms: set , train , succession , sequence", "a range of mountains.", "a number of similar establishments, as banks, theaters, or hotels, under one ownership or management.", "Chemistry.two or more atoms of the same element, usually carbon, attached as in a chain.Compare ring1(def17) ring1(def17).", "Surveying, Civil Engineering.a distance-measuring device consisting of a chain of 100 links of equal length, having a total length either of 66 feet (20 meters)Gunter's chain, or surveyor's chainor of 100 feet (30 meters)engineer's chain.a unit of length equal to either of these.a graduated steel tape used for distance measurements.:ch", "a distance-measuring device consisting of a chain of 100 links of equal length, having a total length either of 66 feet (20 meters)Gunter's chain, or surveyor's chainor of 100 feet (30 meters)engineer's chain.", "a unit of length equal to either of these.", "a graduated steel tape used for distance measurements.:ch", "Mathematics. totally ordered set totally ordered set.", "Football.a chain 10 yards (9 meters) in length for determining whether a first down has been earned."]}, {"Bold_text": "verb (used with object)", "List Items": ["to fasten or secure with a chain:to chain a dog to a post.", "to confine or restrain:His work chained him to his desk.", "Surveying.to measure (a distance on the ground) with a chain or tape.", "Computers.to link (related items, as records in a file or portions of a program) together, especially so that items can be run in sequence.", "to make (a chain stitch chain stitchor series of chain stitches), as in crocheting."]}, {"Bold_text": "verb (used without object)", "List Items": ["to form or make a chain."]}, {"Bold_text": "noun", "List Items": ["Sir Ernst Boris[urnst, ernst],1906–79,English biochemist, born in Germany: Nobel Prize in Medicine 1945."]}]