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].
acromion. [ÉkrÅâ²mÄÂ·Én]. Etymology: Gk, akron + omos, shoulder. the lateral extension of the spine of the scapula, forming the highest point of the shoulder and connecting with the clavicle at a small oval surface in the middle of the spine. It gives attachment to the deltoid and trapezius muscles. Also called acromion process .Compare coracoid process. acromial, adj. The flattened lateral, vaguely triangular projection of the spine of the scapula that forms the highest point of the shoulder and articulates with the clavicle.