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What is the meaning of NIGRA. Phrases containing NIGRA
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n.
A sea bird of the Atlantic (Rhynchops nigra); -- called also black skimmer, scissorsbill, and razorbill. See Skimmer.
n.
The name of several cruciferous plants of the genus Brassica (formerly Sinapis), as white mustard (B. alba), black mustard (B. Nigra), wild mustard or charlock (B. Sinapistrum).
n.
The Quercus nigra, or barren oak.
n.
Any species of longwinged marine birds of the genus Rhynchops, allied to the terns, but having the lower mandible compressed and much longer than the upper one. These birds fly rapidly along the surface of the water, with the lower mandible immersed, thus skimming out small fishes. The American species (R. nigra) is common on the southern coasts of the United States. Called also scissorbill, and shearbill.
n.
A glucoside found in the seeds of black mustard (Brassica nigra, formerly Sinapis nigra) It resembles sinalbin, and consists of a potassium salt of myronic acid.
n.
A European composite herb (Centaurea nigra); -- so called from the resemblance of its knobbed head to an iron ball fixed on a long handle.
a.
Any coniferous tree of the genus Picea, as the Norway spruce (P. excelsa), and the white and black spruces of America (P. alba and P. nigra), besides several others in the far Northwest. See Picea.
n.
The knapweed (Centaurea nigra).
n.
Any one of several species of large wading birds of the family Ciconidae, having long legs and a long, pointed bill. They are found both in the Old World and in America, and belong to Ciconia and several allied genera. The European white stork (Ciconia alba) is the best known. It commonly makes its nests on the top of a building, a chimney, a church spire, or a pillar. The black stork (C. nigra) is native of Asia, Africa, and Europe.
n.
The black centaury (Centaurea nigra); -- so called from the knoblike heads of flowers. Called also bullweed.
n.
A valuable cabinet wood of a dark red color, streaked and variegated with black, obtained from several tropical leguminous trees of the genera Dalbergia and Machaerium. The finest kind is from Brazil, and is said to be from the Dalbergia nigra.
n.
The complex, nitrogenous, organic base and dyestuff called also aniline black.
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