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.
(physics) the number of degenerate quantum states of a particular orbital, degree of freedom, energy level, etc Collins English Dictionary - Complete & Unabridged 2012 Digital Edition Â© William Collins Sons & Co. Ltd. 1979, 1986 Â© HarperCollins