deep vein thrombosis
From Longman Dictionary of Contemporary EnglishRelated topics: Illness & disabilitydeep vein thrombosisˌdeep vein thromˈbosis noun [uncountable] medical (abbreviation DVT) a serious illness which happens when a small amount of blood becomes very thick and causes the heart to stop beating properly. This sometimes happens to people who have been on long plane journeys, because they have been sitting still for so longExamples from the Corpusdeep vein thrombosis• The symptoms of a deep vein thrombosis are very clear.• Anti-embolic stockings were fitted to help prevent deep vein thrombosis.