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antiparallel

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adjective an·ti·par·al·lel \ˌan-tē-ˈper-ə-ˌlel, ˌan-ˌtī-, -ləl\

Definition of antiparallel

  1. :  parallel but oppositely directed or oriented antiparallel electron spins two antiparallel chains of nucleotides comprise DNA

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First Known Use of antiparallel

circa 1660

Medical Dictionary

antiparallel

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adjective an·ti·par·al·lel \ˌant-i-ˈpar-ə-ˌlel, ˌan-ˌtī-, -ləl\

Medical Definition of antiparallel

  1. :  parallel but oppositely directed or oriented two antiparallel chains of nucleotides comprise DNA

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antiparallel

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