…a series of linked metal rings used for fastening or securing something, or for pulling loads…
…(1906–79), German-born British biochemist. With Howard Florey he isolated and purified penicillin and in 1945 they shared a Nobel Prize with Alexander Fleming…
…a machine gun that uses a motor-driven chain to power all moving parts…
…a mechanism in which power is transmitted from an engine to the wheels of a vehicle or a boat’s propeller by means of a moving endless chain…
…a group of convicts chained together while working outside the prison…
…a gear transmitting motion by means of a moving endless chain, especially in a bicycle…
…flexible armour consisting of small metal rings linked together…
…pairs of cannonballs or half balls joined by a chain, fired from cannons in sea battles in order to damage masts and rigging…
…smoke continually, typically by lighting a cigarette from the stub of the last one smoked…
…one of a series of shops owned by one firm and selling the same goods…
…a wheel transmitting power by means of a chain fitted to its edges…
…a chain formed into a loop by passing one end through a ring on the other, placed round a dog’s neck to exert control by causing pressure on the windpipe when the dog pulls…
…a small chain which is attached to a curb bit and lies in the groove on a horse’s chin…
…an endless chain with links that engage with toothed wheels in order to transmit power from one shaft to another in an engine or machine tool…
…a series of organisms each dependent on the next as a source of food…
…the protein subunit that, as one of a pair, makes up the major part of an immunoglobulin molecule…
…a line of people formed for passing things quickly from one site to another…
…a chain of links each consisting of a double loop of wire resembling a figure of eight, but with the loops in planes at right angles to each other…
…a protein subunit that, as one of a pair, forms part of the main antigen-binding region of an immunoglobulin molecule…
…a molecular structure consisting of a chain of atoms with no closed rings…
…a chain made of paper links and used for decorating a room, especially at Christmas…
…a group of atoms attached to the main part of a molecule with a ring or chain structure…
…the process or activities by which a company adds value to an article, including production, marketing, and the provision of after-sales service…
…a chain that transmits the driving power from the pedals of a bicycle to its rear wheel…
…one of a sequence of letters, each recipient in the sequence being requested to send copies to a specific number of other people…
…a number of atoms bonded together to form a closed loop in a molecule…
…a chain fitted for security purposes, especially on a door, watch, or piece of jewellery…
…the sequence of processes involved in the production and distribution of a commodity…
…a metal chain or reinforced rubber belt that drives the camshaft of an internal combustion engine. Also called timing belt…
…a chemical reaction or other process in which the products themselves promote or spread the reaction…
…a former measuring instrument 66 ft (20.1 m) long, subdivided into 100 links, each of which is a short section of wire connected to the next link by a loop…
…a chain of atoms in a molecule, usually carbon atoms, that is neither branched nor formed into a ring…
…a heavy metal ball secured by a chain to the leg of a prisoner to prevent escape…
…tease someone by leading them to believe something untrue…
…a linked series of events leading from cause to effect, typically in the assessment of liability for damages…
…a system in a military or civil organization by which instructions are passed from one person to another…
…(in the UK) an order founded by Edward VII in 1902 and conferred by the sovereign on special occasions…
