Englishfor English speakers
concatenation
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noun
the state of being linked together as in a chain; union in a linked series
—
noun
the linking together of a consecutive series of symbols or events or ideas etc
it was caused by an improbable concatenation of circumstances
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noun
the act of linking together as in a series or chain
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noun
(= chain)
a series of things depending on each other as if linked together
the chain of command
a complicated concatenation of circumstances
of
Preposition
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Made using.
It is a house of cards.
sets
noun
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(informal) Set theory.