Concatenation

n. state of being linked together; series of connected items or events

Concatenation is a standard operation in computer programming languages (a subset of formal language theory). It is the operation of joining two character strings end to end. For example, the strings "foo" and "bar" may be concatenated to give "foobar". In programming languages, string concatenation is a binary operation usually accomplished by putting a concatenation operator between two strings (operands).
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Noun
1. the state of being linked together as in a chain; union in a linked series
(hypernym) connection, link, connectedness
(derivation) concatenate
2. the linking together of a consecutive series of symbols or events or ideas etc; "it was caused by an improbable concatenation of circumstances"
(hypernym) connection, connexion, connectedness
3. a series of things depending on each other as if linked together; "the chain of command"; "a complicated concatenation of circumstances"
(synonym) chain
(hypernym) series
(hyponym) catena
4. the act of linking together as in a series or chain
(hypernym) joining, connection, connexion
(derivation) concatenate

n. sequence, succession, series of things in succession, arrangement

(n.)
A series of links united; a series or order of things depending on each other, as if linked together; a chain, a succession.