(diplomacy, of a country) The state of not having diplomatic relations with other countries (either with most or all other countries, or with specified other countries).
(chemistry) The obtaining of an element from one of its compounds, or of a compound from a mixture
“These votes led to his isolation from the party and undermined his chances of reelection.”
“His ability to develop an explanation for his incarceration that extends beyond his own moral culpability has helped him cope with his isolation from family and community.”
“The authorities decided to capitalize on the island's isolation, using it as a convenient offshore prison during the nineteenth century.”