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
Anger or irritate someone
he had been held in chains while he was a prisoner
An iron rod passing from the bow of a vessel to its stern, intended to prevent hogging.
A machine gun that uses a motor-driven chain to power all moving parts
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 series of similar atoms or monomers which forms the principal part of a molecule.
A chain for securing a door at night.
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 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
Made of wire in a diamond-shaped mesh
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
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 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 metal chain securing a pocket watch
A number of carbon atoms bonded together in a sequence and forming part of a molecule, polymer, etc.
A chain used to secure the topgallant and royal backstays of a sailing vessel.
A longitudinal row of nuclei occupying the centre of an intrafusal muscle fibre; chiefly attributive, especially in nuclear chain fibre.
A linear sequence of amino-acid residues joined by peptide bonds.
A sprocket chain.
A series of people each of whom receives a written prayer with an invitation to pass it or copies of it to others, so that the prayer may be offered repeatedly.
A type of chain used in rigging.