a coil or other arrangement of wire in which heat is produced by an electric current
Why is a new element named after a suburb of San Francisco?
On Saturday the International Union of Pure and Applied Chemistry proposed the names of two new elements. Currently element number 114 and element number 116 do not have official names in the periodic table of elements. The elements were previously known as ununquadium and ununhexium. Those long, unpronounceable words were the temporarily used systematic element names. The names are generated from their atomic number, but …
Lexical Investigations: Sustainability
This may come as a surprise, but the link between sustainability and environmentalism is actually fairly recent. Before 1980, sustainability was an uncommon variant of sustainable, as in “capable of being upheld,” and it could be used in any context. But in 1980 that all changed when the International Union for the Conservation of Nature published the World Conservation Strategy, including an entire section called …
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012