tropopause
(noun) the region of discontinuity between the troposphere and the stratosphere
Source: WordNet® 3.1
tropopause (plural tropopauses)
The zone of transition between the troposphere and the stratosphere (approximately 13 kilometers). The tropopause normally occurs at an altitude of between 25,000 and 45,000 feet in polar and temperate zones. It occurs at 55,000 feet in the tropics.
Source: Wiktionary
24 June 2025
(noun) very small (to 3 inches) flattened marine fish with a sucking disc on the abdomen for clinging to rocks etc.
According to Guinness World Records, on 25 September 2016, the Birla Institute of Management Technology (India) in Uttar Pradesh, India, constructed the largest coffee cups pyramid consisting of 23,821 cups. They used paper takeaway coffee cups to build the pyramid.
