wedge-and-dash

English

Alternative forms
  • wedge and dash

Noun
wedge-and-dash image of methane (showing a wedged line at bottom and a dashed line at right)

wedge-and-dash (uncountable)

  1. (chemistry) A method of representing the three-dimensional structure of a molecule in which simple lines represent bonds in the plane of the image, wedge-shaped lines represent bonds towards the viewer, and dashed lines represent bonds away from the viewer.
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