International Practical Temperature Scale
a temperature scale adopted by international agreement in 1968, and revised in 1990, based on thermodynamic temperature and using experimental values to define 16 fixed points. The lowest is the triple point of an equilibrium mixture of orthohydrogen and parahydrogen (–259.34°C) and the highest the freezing point of copper (1084.62°C)
International Sayings Lost In TranslationRead more in this article about some frequently asked questions and fun facts related to our definitions.
The Curious Chronicle Of The Letter CThe English language is infamously difficult in part because its spelling befuddles even native speakers as letters take on different sounds depending on what letters surround it. Few letters exemplify this trouble more than the third letter of the English alphabet: C. Think about these words: cease, coin, chic, indict, and discrepancy. In this string of terms, C sounds like S, K, Sh, and in …
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