a link on a webpage to other data or locations

necklace; chain jewelry worn around the neck

zipper; metal or plastic fastener used for opening and closing clothing or bags

a series of metal rings or links connected together for driving machinery or securing objects

a chain-style bracelet or ornament worn around the wrist, typically made of gold, silver, or precious stones

A chain made of metal rings, beads, or other materials used for decoration, fastening, or binding.

iron chain; series of connected iron rings

A genus of bacteria characterized by small round cells arranged in chains; often found in nature, some types can cause diseases such as tonsillitis or scarlet fever.

chain; iron shackles or fetters; also used figuratively to mean the bonds or shackles that restrict a person's freedom

The sequence of living things in an ecosystem where each member feeds on the one below it; also used to refer to any hierarchical relationship of power or consumption.

a communications link, especially in the context of computer networking or telecommunications

An antibiotic medicine used to treat various bacterial infections, notably tuberculosis and is particularly effective against the bacteria that cause tuberculosis and the plague.

a chemical or physical reaction that is self-sustaining through the repeated generation of reactive intermediates

single chain, as in mechanics or chemistry

A jointed device or flexible piece on which a door, gate, or lid turns or swings; used to connect two parts of a machine or object so that one can rotate relative to the other.

The field event in athletics where a heavy metal ball attached to a wire and handle is thrown for distance.

a chain-like decorative item made of gold, silver, or other materials worn around the ankle; ankle bracelet

The interdependent chain formed by animals, plants, and microorganisms that provide food or nutrients for one another

tire or skid chains fitted over vehicle wheels to prevent slipping on mud, ice, or snow

keychain; key ring

a chemical chain attached to the main part of a molecule, used especially in the classification of amino acids

A chain used to secure a pocket watch or stopwatch, usually made of metal.

a self-sustaining chemical or nuclear reaction in which the products of one step initiate further steps

the heavy metal chain that connects an anchor to a ship's hull

a connection for transmitting digital information between two points in a telecommunications network

sprocket; chain wheel

a computer data structure where each element points to the next one in the sequence

(computing) A technology used to identify files based on their content rather than their location, common in file-sharing networks.

the chain of three small bones in the middle ear

chain saw

The entire system of an industry from raw material procurement and processing to product sales and after-sales service; industry value chain.

A row of people standing side by side or holding hands to form a chain-like line.

A network of activities including design, production, marketing, and logistics that add value to a product or service.

The sequence of processes involved in the production and distribution of a commodity, from the supply of raw materials to the final consumer.

a temperature-controlled supply chain often used for food or pharmaceutical products

A logistics system that uses refrigeration technology to keep food or medicine at a low temperature during production, storage, transport, and sale.

a shared library of computer code; often abbreviated as DLL

A decentralized digital ledger used for recording transactions across many computers so that the record cannot be altered retroactively.

double-stranded; having two chains or strands, especially in the context of genetics

external link on a website or digital document

(computing) external link

resealable bag; a plastic bag with a zip-style seal used for storing and preserving items

A chain or string of islands geographically arranged in a line; specifically used in military strategy to describe defensive or offensive maritime perimeters.

(computing) a set of software development tools used in sequence to perform a complex task

(Mainland China) A project that must be repeatedly done and undone due to poor planning or lack of coordination between departments.

resealable bag; bag with a zipper

drag chain; tow chain; a cable carrier used to protect cables and hoses attached to a machine

To have a bicycle chain come off; (figuratively) to fail at a critical moment or let someone down.