Millesimal

Mil·les'i·mal adjective [ Latin millesimus , from mille a thousand.] Thousandth; consisting of thousandth parts; as, millesimal fractions.
Found on http://www.encyclo.co.uk/webster/M/67

Millesimal

• (a.) Thousandth; consisting of thousandth parts; as, millesimal fractions.
Found on http://thinkexist.com/dictionary/meaning/millesimal/
No exact match found