The iraimbilanja (singular and plural) is the divisory currency unit of Madagascar, being equal to one fifth of an ariary. The old Malagasy franc is equal in value to one iraimbilanja. As of early 2011 the value of one iraimbilanja is about US$0.0000989.
Iraimbilanja means literally "one iron weight" and was the name of an old coin worth ⅕ of an ariary.
References
Iraimbilanja Wikipedia(Text) CC BY-SA