Tradeco-

Tradeco (#13, abbv. trd) is a numerical prefix meaning 10-39 or duodecillionth using the short scale illion system.Tier -1 and upper Tier -2 prefixes trakaplex.wordpress.com. Retrieved 2021-08-08. The term was coined as part of Trakaplex's SI system. It comes from tredecim, following the descending initial letter pattern seen in the previous of zepto, yocto, xono, weco, vundeco, and uodeco. Since 't' was already the initial letter of tredecim, the first vowel had to be altered to a similar sounding tra.
== Sources ==
== See also ==
Category:Numbers
Category:Numbers by Trakaplex
Category:Prefixes
Category:Tier -1 Prefixes