A heatwave is caused by a system of higher atmospheric pressure. In a high pressure system, air from upper levels of the atmosphere descends and rotates outward. As it comes down, it becomes compressed, which increases its temperature and dries it out.
Lyme disease: An inflammatory disease that is caused by the bacterium Borrelia burgdorferi, which is transmitted to humans by the deer tick. The first sign of Lyme disease is a red, circular, expanding rash, usually radiating from the tick bite, followed by flu-like symptoms and joint pains.
1. Lyme disease-an acute inflammatory disease characterized by a rash with joint swelling and fever; caused by bacteria carried by the bite of a deer tick.Lyme arthritis. zoonosis, zoonotic disease-an animal disease that can be transmitted to humans.Translations.yme disease-an acute inflammatory disease characterized by a rash with joint swelling and fever; caused by bacteria carried by the bite of a deer tick. Lyme arthritis.