verb.
to multiply something (or be multiplied) by five
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adjective.
having five units or components
verb.
increase fivefold
noun.
a set of five similar things considered as a unit
Word Usage
"Published data from children and pregnant women in Blantyre over the study period show that "quintuple" mutant parasites with two mutations in the dihydropteroate synthase (dhps) gene and three dihydrofolate reductase (dhfr) mutations were highly prevalent in Blantyre over the study period"