A polyhedral solid formed by joining two face-regular triangular prisms along corresponding square faces, giving a quarter-turn to one prism. It is noted for being one of the few regular polyhedra ...

(intransitive) To persist steadfastly in pursuit of an undertaking, task, journey, or goal, even if hindered by distraction, difficulty, obstacles, or discouragement.

Abbreviation of breadth. / Abbreviation of bin or ibn in Arabic names. / Abbreviation of ben in Hebrew names.

plural of paleoplain