bittern
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bittern
1 any wading bird of the genera Ixobrychus and Botaurus, related and similar to the herons but with shorter legs and neck, a stouter body, and a booming call: family Ardeidae, order Ciconiiformes
bittern
2 the bitter liquid remaining after common salt has been crystallized out of sea water: a source of magnesium, bromine, and iodine compounds
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
bittern
[′bid·ərn] (chemical engineering)
Concentrated sea water or brine containing the bromides and magnesium and calcium salts left in solution after sodium chloride has been removed by crystallization.
(vertebrate zoology)
Any of various herons of the genus Botaurus characterized by streaked and speckled plumage.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.