planoconvex
(adjective) flat on one side and convex on the other
Source: WordNet® 3.1
planoconvex (not comparable)
(optics, of a lens) Having one side plane and the other convex. [from 17th c.]
• convexoplane
Source: Wiktionary
Pla"no-con"vex, a. Etym: [Plano- + convex.]
Definition: Plane or flat on one side, and convex on the other; as, a plano-convex lens. See Convex, and Lens.
Source: Webster’s Unabridged Dictionary 1913 Edition
22 February 2025
(noun) the use of closed-class words instead of inflections: e.g., ‘the father of the bride’ instead of ‘the bride’s father’
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.
