Cobaea
/kəʊˈbiːə/
noun
1.
any climbing shrub of the tropical American genus Cobaea, esp C. scandens, grown for its large trumpet-shaped purple or white flowers: family Polemoniaceae
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- Cobalt
[koh-bawlt] /ˈkoʊ bɔlt/ noun 1. a silver-white metallic element with a faint pinkish tinge, occurring in compounds whose silicates afford important blue coloring substances for ceramics. Symbol: Co; atomic weight: 58.933; atomic number: 27; specific gravity: 8.9 at 20°C. /ˈkəʊbɔːlt/ noun 1. a brittle hard silvery-white element that is a ferromagnetic metal: occurs principally in […]
- Cobalt-60
noun, Chemistry. 1. a radioactive isotope of cobalt having a mass number of 60 and a half-life of 5.2 years, used chiefly in radiotherapy. cobalt 60 [(koh-bawlt)] A radioactive isotope produced when neutrons bombard atoms of the element cobalt. Note: Cobalt 60 is a common substance used in radiation therapy for cancer.
- Cobaltammine
[koh-bawlt-am-een, -uh-meen] /ˌkoʊ bɔltˈæm in, -əˈmin/ noun 1. any of the various complex derivatives of cobalt containing one or more molecules of ammonia bonded to the cobalt.
- Cobalt-bloom
noun, Mineralogy. 1. (def 1) noun 1. another name for erythrite (sense 1)
- Cobalt-blue
noun 1. a deep blue to a strong greenish-blue color. 2. any of a number of pigments containing an oxide of cobalt. noun 1. Also called Thénard’s blue. any greenish-blue pigment containing cobalt aluminate, usually made by heating cobaltous sulphate, aluminium oxide, and phosphoric acid together 2.