antiparallel

== English == === Etymology === From anti- +‎ parallel. === Pronunciation === === Adjective === antiparallel (not comparable) (mathematics) (of vectors) Parallel but in opposite directions. (biochemistry) Describing the orientations of the two strands of DNA. (biochemistry) Describing two beta strands comprising a protein's secondary structure that are aligned and hydrogen bonded but where the vectors describing the amino- and carboxy-terminal ends of each strand are oriented 180° relative to one another. ==== Derived terms ==== ==== Translations ==== === Noun === antiparallel (plural antiparallels) (geometry) A line that forms equal angles with two other lines, but in opposite directions. == German == === Etymology === Friom anti- +‎ parallel. === Adjective === antiparallel (strong nominative masculine singular antiparalleler, not comparable) antiparallel ==== Declension ==== === Further reading === “antiparallel” in Duden online