1.To place in a detached situation; to place by itself or alone; to insulate; to separate from others; as, to isolate an infected person from others; to isolate the troublemakers in a classroom. "Short isolated sentences were the mode in which ancient wisdom delighted to convey its precepts."
3.(Chem.) To separate (a substance) from all foreign substances; to make pure; to obtain in a free state; as, to isolate the desired product from a reaction mixture.
4.(Microbiol.) To obtain a culture of a microorganism in pure form (from a complex mixture); as, to isolate Eschericia coli from a patient's blood.