A connected flexible series of metal links used for fastening or securing objects and pulling or supporting loads
(1906–79), British biochemist; born in Germany. With Howard Florey, he isolated and purified penicillin. Nobel Prize for Physiology or Medicine (1945), shared with Florey and Alexander Fleming
he was held in chains
A machine gun that uses a motor-driven chain to power all moving parts
An iron rod passing from the bow of a vessel to its stern, intended to prevent hogging.
A chain, now generally a roller chain, used to transmit driving power to the rear wheel of a bicycle or motorcycle.
A chain used to moor a boat.
A mechanism in which power is transmitted from an engine, typically 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 on a bicycle
Made of wire in a diamond-shaped mesh
Armor made 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, especially by lighting a new cigarette from the butt of the last one smoked
One of a series of stores owned by one company and selling the same merchandise
A toothed 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 around 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
A string of daisies threaded together by their stems
A chain used to slow down or steady the motion of a vehicle
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 hierarchical 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 8, 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 series of similar atoms or monomers which forms the principal part of a molecule.
A chain for securing a door at night.
A molecular structure consisting of a chain of atoms with no closed rings
A chain made of colored paper links and used for decorating a room, especially at Christmas
An unbroken diagonal line of pawns extending across several adjacent files.
A chain whose links engage with teeth or sprockets on a wheel, the motion of which drives or is driven by that of the chain.
A measuring chain; = chain (now chiefly historical).
A rapidly revolving endless chain of printing types formerly used in some printers.
The chain of a chain-pump, on which the discs, buckets, etc., are fitted.
A sound shift in which one phoneme, typically a vowel, approaches a second and this in turn shifts so that their differentiation is maintained.
A chain by which a horse may be fastened to the rack in a stall.
An ornamental chain (for a watch, etc.) made in imitation of the pattern of a rope.
A group of atoms attached to the main part of a molecule and having 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 metal chain securing a pocket watch
A chain that transmits the driving power from the pedals of a bicycle to its rear wheel
A number of carbon atoms bonded together in a sequence and forming part of a molecule, polymer, etc.
A suspension bridge supported by chains rather than cables
A harrow consisting of a net made of chains in a metal frame
One of a sequence of letters, each recipient in the sequence being requested to send copies to a specific number of other people
An ornamental stitch in which loops are crocheted or embroidered in a chain
A number of atoms bonded together to form a closed loop in a molecule
The common laburnum