The expression “coffee break” was first attested in 1952 in glossy magazine advertisements by the Pan-American Coffee Bureau.
SHADOWGRAPH
radiogram, radiograph, shadowgraph, skiagraph, skiagram
(noun) a photographic image produced on a radiosensitive surface by radiation other than visible light (especially by X-rays or gamma rays)
Source: WordNet® 3.1
Etymology
Noun
shadowgraph (plural shadowgraphs)
A shadow-picture; a radiograph or X-ray photograph; a sciagram.
(physics) An optical technique of visualizing patterns of fluid flow by using differences in refractive index
Verb
shadowgraph (third-person singular simple present shadowgraphs, present participle shadowgraphing, simple past and past participle shadowgraphed)
(transitive) To outline in a shadow-picture on a screen.
(photography) To take a picture by means of X-ray, radium, or similar source of actinic radiation.
Source: Wiktionary
Recent Word Finds
Word of the Day
31 January 2025
DISPERSION
(noun) the act of dispersing or diffusing something; “the dispersion of the troops”; “the diffusion of knowledge”
Coffee Trivia
