boiling period
11rare-earth element — /rair errth /, Chem. any of a group of closely related metallic elements, comprising the lanthanides, scandium, and yttrium, that are chemically similar by virtue of having the same number of valence electrons. Also called rare earth metal. [1955 …
12History of the Caribbean — The history of the Caribbean reveals the significant role the region played in the colonial struggles of the European powers since the fifteenth century. In the twentieth century the Caribbean was again important during World War II, in the… …
13Caesium — xenon ← caesium → barium Rb ↑ Cs ↓ Fr …
14analysis — /euh nal euh sis/, n., pl. analyses / seez /. 1. the separating of any material or abstract entity into its constituent elements (opposed to synthesis). 2. this process as a method of studying the nature of something or of determining its… …
15Amate — Part of the Huexotzinco Codex, written on amate. Amate (Spanish: amate from Nahuatl: āmatl) is a form of paper that has been manufactured in Mexico since the pre Hispanic times. Amate paper was extensively produced an …
16Cuisine of Iceland — Important parts of Icelandic cuisine are fish, being in an area where fish is plentiful, lamb and dairy. Popular foods in Iceland include skyr, hangikjöt (smoked lamb), kleinur, laufabrauð and bollur. Þorramatur is a traditional buffet served at… …
17Icelandic cuisine — A fisherman s hut in Reykjavík in 1835 with fish hung outside for drying. Wind dried fish remains popular in Iceland Important parts of Icelandic cuisine are lamb, dairy, and fish, due to Iceland s proximity to the ocean. Popular foods in Iceland …
18Noble gas — Group 18 Period 1 2 He 2 …
19nuclear reactor — Physics. reactor (def. 4). Also called nuclear pile. [1940 45] * * * Device that can initiate and control a self sustaining series of nuclear fission reactions. Neutrons released in one fission reaction may strike other heavy nuclei, causing them …
20Ancient Israelite cuisine — refers to the food eaten by the ancient Israelites during a period of over a thousand years, from the beginning of the Israelite presence in the Land of Israel at the beginning of the Iron Age until the Roman period. The dietary staples were… …
