Noun opus (plural opuses or opera) Usage notes The most common plural of opus in English is opuses. Some people use the Latin plural, opera. Opi is fairly common in the field of classical music, though mostly in informal contexts. The use of any of these three pluralizations may result in the speaker being corrected, though opi, above all, should be avoided in formal contexts. OutsideContinue reading “OPUS”


_In meteorology, a cloud is an aerosol comprising a visible mass of minute liquid droplets, frozen crystals, or particles suspended in the atmosphere above the surface of a planetary body. The origin of the term cloud can be found in the old English clud or clod, meaning a hill or a mass of rock. AroundContinue reading “HILL”


Anecdote In 1525, the area was purchased by the Bürgerspital, a hospital that gave its name to the neighbourhood – Spittelberg means “Hospital Hill”. The area was used for agricultural purposes well into the 17th century. After 1675, Sigmund Freiherr von Kirchberg was the landlord of the Spittelberg, which developed into a village with aContinue reading “CROBOTEN”


2013 Wientalradweg Vienna, Austria Anecdote The Sumerians, who inhabited the region between the Tigris and Euphradis rivers and possessed a highly developed culture with their own language and writing, had already produced soap in 2500B.C. They used soap for the washing of woolen clothing.  The Sumerians also used their soap for medical purposes. Seventeenth centuryContinue reading “SOAP”