antiparallel

adj

1. (not-comparable)(of vectors) Parallel but in opposite directions.

   “Upon interaction with ss- nucleic acid (NA) targets (deoxyribooligonucleotides (ODNs) or ribooligonucleotides), they form very stable anti-parallel and parallel duplexes [3 ], and the melting temperatures of the antiparallel duplexes are 10 to 15°C higher than those of the parallel duplexes.”

2. (not-comparable)(of vectors) Parallel but in opposite directions.

noun

1. A line that forms equal angles with two other lines, but in opposite directions.