to set (somebody or something) apart from others

to quarantine (a person or animal) in order to prevent the spread of infection

to separate (a substance) from another substance so as to obtain in a pure form

to break the electrical connection between (an appliance) and a supply or network

somebody ora product of isolating; something that has become isolated or separated cut off; an individual or kind obtained by selection or separation

a language that is the only surviving representative of its family