Depression and addiction, for example, have several things in common, including: 1  Loss of interest in once-enjoyable activities. 2  Fatigue. 3  Feelings of hopelessness. 4  Reckless behavior. 5  Irritability.
Deflection Temperature Testing of Plastics. The deflection temperature is a measure of a polymer's ability to bear a given load at elevated temperatures. The deflection temperature is also known as the 'deflection temperature under load' (DTUL), 'heat deflection temperature', or 'heat distortion temperature' (HDT).
heatstroke. n. 1. (Pathology) a condition resulting from prolonged exposure to intense heat, characterized by high fever and in severe cases convulsions and coma.See sunstroke. (ËhitËstroÊk).eatstroke. n. 1. (Pathology) a condition resulting from prolonged exposure to intense heat, characterized by high fever and in severe cases convulsions and coma. See sunstroke.