(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.

(geology) The accumulation of surface sediment formed between a subducting oceanic crustal plate and a continental tectonic plate, as it is scraped from off the top of the oceanic crustal plate.

plural of wedge product

(golf) A golf club (an iron) which provides maximum loft.

plural of lob wedge

(politics) A strategy or pattern of behavior by a politician, political party, or advocacy group which is intended to have a divisive effect on one's political opponents or on the electorate, especially by emphasizing an issue which polarizes opinion along racial, regional, or other demographic lines.

plural of pitching wedge

(politics, social relations) A discussion point or a difference in points of view which is particularly likely to be controversial and a source of discord between discussants or other involved parties; a difference in viewpoints which causes disharmony within a political or social group.

plural of spherical wedge

(topology) A one-point union of a family of topological spaces.