BDC style reticles can look very different from one scope to the next. The reticle on the left is from a Bushnell 1-4x24mm AR optic and the reticle on the right is a Bushnell proprietary âDOA 600â reticle from one of their 3-9x optics.
Freebase(0.00 / 0 votes)Rate this definition: Thirst is the craving for fluids, resulting in the basic instinct of animals to drink. It is an essential mechanism involved in fluid balance. It arises from a lack of fluids or an increase in the concentration of certain osmolites, such as salt.
Causes of Thirst: The following medical conditions are some of the possible causes of Thirst. There are likely to be other possible causes, so ask your doctor about your symptoms. Some common causes of short-term thirst include: Salty foods. Sugary foods or drinks. Spicy foods.