Science / Chemistry / Atomic Unit: Compare with Bohr radius and hartree. A system of non-SI units used in quantum chemistry to simplify calculations and mathematical expressions. The definitions of atomic units include physical constants (like the speed of light, the rest mass of the electron, and other quantities that never change), so that all constants drop out of expressions when atomic units are used.
Unit Noun Synonyms: element, component, entity, part, item, constituent, piece, portion, segment, section, module
Business / Real Estate / Punitive Damages: Damages awarded to one party to punish another party for dishonest conduct. Meant to deter others from committing a similar offense. MORE
Business / Real Estate / Retirement Communities: Many of them in temperate climates, are often structured as PUDs. They may provide shopping, recreational opportunities and health care facilities in addition to residential units. MORE