īˌōdəˈpirəˌset, īˌäd- noun
( -s )
Etymology: di iodo-pyr idone-N- acet ic acid
: a salt C 8 H 19 I 2 N 2 O 3 administered intravenously in aqueous solution as a contrast medium for radiography especially of the urinary tract; the diethanolamine salt of 3,5-diiodo-4-pyridone- N -acetic acid — called also diodone