- A group or set of five.More example sentences
- The classic pentad in thrombotic thrombocytopenic purpura includes fever, neurologic changes, renal failure, microangiopathic hemolytic anemia and thrombocytopenia.
mid 17th century: from Greek pentas, pentad-, from pente 'five'.
More definitions of pentadDefinition of pentad in:
- The British & World English dictionary