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121chondrichthian — /kon drik thee euhn/, n. any member of the class Chondrichthyes, comprising the cartilaginous fishes. [ < NL, equiv. to chondr CHONDR + Gk ichthýes (pl.) fish] * * * ▪ fish class Introduction class name Chondrichthyes, or Selachii any… …
122Florence — /flawr euhns, flor /, n. 1. Italian, Firenze. a city in central Italy, on the Arno River: capital of the former grand duchy of Tuscany. 464,425. 2. a city in NW Alabama, on the Tennessee River. 37,029. 3. a city in E South Carolina. 30,062. 4. a… …
123lacquerwork — Any of a variety of decorative objects or surfaces, usually of wood, to which a coloured, highly polished, and opaque type of varnish called lacquer has been applied. True lacquerwork is Chinese or Japanese in origin. The technique was copied in… …
124ion-exchange reaction — ▪ chemical reaction Introduction any of a class of chemical reactions between two substances (each consisting of positively and negatively charged species called ions (ion)) that involves an exchange of one or more ionic components.… …
125vacuum technology — Introduction all processes and physical measurements carried out under conditions of below normal atmospheric pressure. A process or physical measurement is generally performed in a vacuum for one of the following reasons: (1) to remove the …
126Mexican ceramics — Woman selling pottery items at the Feria de Texcoco, Texcoco, Mexico State Ceramics and pottery in Mexico date back thousands of years before the Pre Columbian period, when ceramic arts and pottery crafts developed with the first advanced… …
127Romani people — For other uses, see Romani (disambiguation). Romani people Rromane dźene Romani flag created in 1933 a …
128Gray whale — Gray whale[1] Temporal range: Upper Pleistocene Recent A gray whale spy hopping …
