Online Google Dictionary

antiparallel 中文解釋 wordnet sense Collocation Usage Collins Definition
Adjective
/ˌantēˈparəˌlel/,/ˌantī-/,
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Parallel but moving or oriented in opposite directions,
  1. Parallel but moving or oriented in opposite directions

  1. (especially of vectors) parallel but oppositely directed; "antiparallel vectors"
  2. In biochemistry, two molecules are antiparallel if they run side-by-side in opposite directions.
  3. In electronics, two anti-parallel or inverse-parallel devices are connected in parallel but with their polarities reversed.
  4. In geometry, anti-parallel lines can be defined with respect to either lines or angles.
  5. A line that forms equal angles with two other lines, but in opposite directions; 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 ...
  6. Vectors (such as a velocity) which are antiparallel are those which point in exact opposite directions. ...
  7. The opposite arrangement of the sugar-phosphate backbones in a DNA double helix.
  8. A term used to describe the opposite orientations of the two strands of a DNA double helix; the 5’ end of one strand aligns with the 3’ end of the other strand.
  9. parallel but upside down with respect to each other