residue russian

• отбро́с

  waste, throw, residue, garbage

  trash (also fig.: person)

• прига́р

  burnt residue, scorch, burnt smell, burnt taste

• нагора́вший

  accumulated (as a residue), built-up (as a deposit from burning)

  burned up, consumed (by burning)

Examples

• Поли́ция обнару́жила следы́ по́роха на рука́х Тома.

  The police found gunshot residue on Tom's hands.

• Криминали́ст обнару́жил следы́ по́роха на руке́ же́ртвы.

  The forensic technician found gunshot residue on the victim's hand.