plural of story arc

An extended or continuing storyline in episodic storytelling media such as television or comic books.

A weak aurora above the tropics

plural of diurnal arc

plural of arc-boutant

(of a topological space) Such that every pair of points in the space comprises the boundary of some arc embedded in the space.

(metallurgy) The process of welding two pieces of metal together using the heat generated by an electric arc between two electrodes.

plural of penalty arc

plural of second of arc

plural of reflex arc