(mineralogy) A tetragonal-ditetragonal dipyramidal mineral containing aluminum, calcium, hydrogen, oxygen, and vanadium.

plural of pabulum

(aviation) A sudden large uncommanded roll to the left or right experienced by an aircraft entering a stall, resulting from one wing stalling slightly before the other and exacerbated by the reduct...

A polite reaction to receiving thanks, meaning that the speaker enjoyed helping the listener.