coterminal adjective 4noun 1forms 1 adjective4 •Coterminous: having the same scope or range, or meeting at the ends. •Differing only by a whole number of complete circles.When you try to draw two coterminal angles on a circle, you will find that you only get one line. •Simultaneously studying towards two or more separate degrees. •Describing an object in a category, such that there is precisely one morphism that maps that object to every object in the category. noun1 •One of a number of terminals or airports which are interchangeable for the purposes of ticketing. formscoterminals