impurity

These effects are also very sensitive to impurities, strain, and external conditions, which makes them difficult to study.

He feeds her salmon and bottled water; no impurities for his girl, who has Russian and Danish lineage and is as smart as she is sweet, according to the proudest of dog owners.

Molten iron then separates from impurities and can be tapped off.

It featured 650 works confiscated from German museums and judged by a panel to represent "decadence," "weakness of character," "mental disease," "racial impurity" and other hallmarks of Weimar-era modernity.

On its website, Elemetal says its specialized facilities melt gold sources such as scrap jewelry and impaired bullion to separate impurities and obtain refined gold.