TRISTANIA laurina. Tristania laurina (aka Tristaniopsis laurina) - Water Gum. 1  Slow growing evergreen tree to 20-30 feet tall and 15-20 feet wide. 2  Blooms fragrant yellow flowers in early summer. 3  Likes full sun and moderate water. 4  Excellent tree for use in a lawn.
Definition of 'Risk'. Tweet. Risk implies future uncertainty about deviation from expected earnings or expected outcome.
Definition: The Risk Score (equation 1) of an identified risk is the weighted average of the equivalent numerical values associated with the risk's Probability, Impact Score, and Timeframe. (Equation 1)