boon 1. n. 1. A benefit bestowed, especially one bestowed in response to a request. 2. A timely blessing or benefit: A brisk breeze is a boon to sailors. [Middle English.
Quantum leaps are the sole cause of the emission of electromagnetic radiation, including light, which occurs in the form of quantized units called photons. Ironically, when laymen use the term colloquially, they use it to describe large jumps in progress, when in reality a quantum leap is a very small change of state.
Run, run, run, leap over the beam! 1  High jump is an athletic event where one must jump, from only one foot, over a supported bar which is raised higher as the competition goes on.  If the jumper doesnât make it over, or knocks off the high jump bar, the jumper gains a foul.