antiparallel adj : (especially of vectors) parallel but oppositely directed; "antiparallel vectors"
- of vectors, parallel but of opposite direction
- describing the orientations of the two strands of DNA
- describing two beta strands comprising a protein's secondary structure that are aligned and hydrogen bonded but the vector describing the amino- and carboxy-terminal ends of each strand are oriented 180° relative to one another.
The term antiparallel may refer to:
antiparallel in Dutch: Antiparallel