(idiomatic) Used to add emphasis, particularly by Catholics.

plural of angle of incidence

plural of angle of reflection

plural of angle of refraction

plural of ampulla of Lorenzini

An electroreceptor found mainly in cartilaginous fish such as sharks and rays, forming a network of jelly-filled canals.

(informal, intransitive) To depart quietly, without being noticed.

plural of hive of activity

(idiomatic) A very busy place.

(colloquial) Used before a plural noun to form a compound noun having the sense of: the greatest or largest of (its kind); the most epic example of (its kind).