(physics) a weak insulating barrier between two superconductors, used as an ultrafast switch

(physics) A semiconductor rectifying device in which the barrier between the two regions of opposite conductivity (n-type and p-type) type produces the rectification. All solar cells are junction diodes.

(physics) A transistor in which the emitter and collector barriers are formed by p-n junctions between semiconductor regions of opposite conductivity type.

(genetics) A non-linear strand of DNA where certain cruciform binding proteins can compete for binding.

(rail transport) An at-grade junction between two crossing railroad tracks.

(rail transport) An at-grade junction between two crossing railroad tracks.

(rail transport) An at-grade junction between two crossing railroad tracks.

An intersection of routes where one road terminates as it joins a (usually higher priority) road at approximately 90°. In most countries, a give way or stop road sign will be seen at a T-junction.

(anatomy) The point at which the superior vena cava meets and melds into the cardiac right atrium.

plural of cavoatrial junction