vt, -lat*ed  -lat*ing  :  to set apart from others: as  a  :  to separate (one with a contagious disease) from others not similarly infected  b  :  to separate (as a chemical compound) from all other substances  :  obtain pure or in a free state
n 1  :  an individual (as a spore or single organism), a viable part of an organism (as a cell), or a strain that has been isolated (as from diseased tissue, contaminated water, or the air) : also  :  a pure culture produced from such an isolate  2  :  a relatively homogeneous population separated from related populations by geographic, biologic, or social factors or by human intervention  3  :  a socially withdrawn individual .
 
 
 
Similar sounding terms:  is·let  Iso·lette 
 
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