tephroite (countable and uncountable, plural tephroites)
(mineral) An orthorhombic-dipyramidal mineral containing manganese, oxygen, and silicon.
Source: Wiktionary
Teph"ro*ite, n. Etym: [See Tephrosia.] (Min.)
Definition: A silicate of manganese of an ash-gray color.
Source: Webster’s Unabridged Dictionary 1913 Edition
24 February 2025
(noun) (astronomy) position of a planet as defined by its angular distance from its perihelion (as observed from the sun)
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.
