rebreather (plural rebreathers)
(underwater diving) A breathing apparatus that recycles expelled air, removing carbon dioxide and thus allowing extended use of a supply of air.
Source: Wiktionary
24 February 2025
(noun) (astronomy) position of a planet as defined by its angular distance from its perihelion (as observed from the sun)
The earliest credible evidence of coffee-drinking as the modern beverage appeared in modern-day Yemen. In the middle of the 15th century in Sufi shrines where coffee seeds were first roasted and brewed for drinking. The Yemenis procured the coffee beans from the Ethiopian Highlands.
