pleochroism
(noun) the phenomenon of different colors appearing when certain crystals are viewed from different directions
Source: WordNet® 3.1
pleochroism (countable and uncountable, plural pleochroisms)
(physics) The optical phenomenon in some coloured, transparent crystals (such as tourmaline and opal) in which the colour changes when viewed from different directions.
• lipochromes
Source: Wiktionary
Ple*och"ro*ism, n. Etym: [Gr. (Crystallog.)
Definition: The property possessed by some crystals, of showing different colors when viewed in the direction of different axes.
Source: Webster’s Unabridged Dictionary 1913 Edition
4 April 2025
(verb) kill by cutting the head off with a guillotine; “The French guillotined many Vietnamese while they occupied the country”
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.
