open chain

noun

Definition of open chain 

: an arrangement of atoms represented in a structural formula by a chain whose ends are not joined so as to form a ring

First Known Use of open chain

1880, in the meaning defined above

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The first known use of open chain was in 1880

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open chain

noun

Medical Definition of open chain 

: an arrangement of atoms represented in a structural formula by a chain whose ends are not joined so as to form a ring

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