antiparallel

English

Etymology

anti- +‎ parallel

Adjective

antiparallel (not comparable)

1. (mathematics) of vectors, parallel but of opposite direction
2. (biochemistry) describing the orientations of the two strands of DNA
3. (biochemistry) 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.

Translations

parallel of opposite direction

• Catalan: antiparal·lel
• Dutch: antiparallel
• Finnish: vastakkaissuuntainen (fi)
• French: antiparallèle (fr)
• German: antiparallel
• (deprecated template usage) {{trans-mid}}
• Italian: antiparallelo
• Portuguese: antiparalelo
• Spanish: antiparalelo
• Swedish: antiparallell (sv)

Noun

antiparallel (plural antiparallels)

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

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German

Etymology

anti- +‎ parallel

Adjective

antiparallel (not comparable)

1. antiparallel

Further reading

• “antiparallel” in Duden online