1 Pigmented basal cell carcinoma: A common form of skin cancer which can vary in colour and appearance and grows slowly over a period of months or years. Pigmented basal cell carcinoma: A common form of skin cancer which can vary in colour and appearance and grows slowly over a period of months or years.
10 hilariously insightful foreign words. A humidistat is a mechanism that works in conjunction with space conditioning machines to regulate a room's humidity level. They are commonly used with air conditioners, humidifiers, and dehumidifiers, gauging the humidity in a given space.
Definition: The ballista is a type of siege engine and catapault that revolutionized warfare. It was used first in 398 B.C. in the successful siege of Motya, a Phoenician city in western Sicily, by Dionysius I, tyrant of Syracuse.