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life

(Encyclopedia) life, although there is no universal agreement as to a definition of life, its biological manifestations are generally considered to be organization, metabolism, growth,…

life preserver

(Encyclopedia) life preserver, a personal flotation device (PFD) intended to keep the wearer afloat, particularly in case of shipwreck. A Type I PFD will keep even unconscious people…

still life

(Encyclopedia) still life, a pictorial representation of inanimate objects. The term derives from the 17th-century Dutch still-leven, meaning a motionless natural object or…

The Life

Book:David Newman, Ira Gasman and Cy ColemanMusic:Cy ColemanLyrics:Ira GasmanDirector:Michael BlakemoreChoreography:Joey McKeelySets:Robin WagnerCostumes:Martin PakledinazLighting:Richard…

life support system

(Encyclopedia) life support system: see artificial life support ; Life Support for Human Spaceflight under space science .

half-life

(Encyclopedia) half-life, measure of the average lifetime of a radioactive substance (see radioactivity ) or an unstable subatomic particle. One half-life is the time required for…