This is a simple tri-tip rub recipe straight from a barbeque in Santa Maria..
-ation. suffix forming nouns. 1. indicating an action, process, state, condition, or result Compare-ion, -tion: arbitration; cogitation; hibernation; moderation. [from Latin -ÄtiÅn-, suffix of abstract nouns, from -Ätus-ate 1 + -iÅn-ion].
Suffix meaning a process, condition, or state, usually abnormal or diseased; production or increase, physiologic or pathologic; an invasion or infestation; in the latter sense, it is similar to and often interchangeable with Greek -iasis, as seen in trichinosis, trichiniasis.