antiparallel

Plural: antiparallels

Adjective Satellite

• (especially of vectors) parallel but oppositely directed
  • "antiparallel vectors"

Adj

• (of vectors) Parallel but in opposite directions.
• Describing the orientations of the two strands of DNA.
• (of vectors) Parallel but in opposite directions.
• 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.

Noun

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

Anagrams of antiparallel