black alkali — noun : alkali containing carbonates that dissolve organic matter and blacken soil or crusts : soil blackened by such alkali … Useful english dictionary
Alkali soil — Any one of various soils found in arid and semiarid regions, containing an unusual amount of soluble mineral salts which effloresce in the form of a powder or crust (usually white) in dry weather following rains or irrigation. The basis of these… … The Collaborative International Dictionary of English
Black, Joseph — ▪ British scientist Introduction born April 16, 1728, Bordeaux, France died Nov. 10, 1799, Edinburgh, Scot. British chemist and physicist best known for the rediscovery of “fixed air” ( carbon dioxide), the concept of latent heat, and the… … Universalium
white alkali — Alkali soil Alkali soil Any one of various soils found in arid and semiarid regions, containing an unusual amount of soluble mineral salts which effloresce in the form of a powder or crust (usually white) in dry weather following rains or… … The Collaborative International Dictionary of English
Black-necked Stilt — Taxobox name = Black necked Stilt image width = 230px image caption = Adult female at Morro Creek mouth, California status = LC status system = IUCN3.1 regnum = Animalia phylum = Chordata classis = Aves subclassis = Neornithes infraclassis =… … Wikipedia
black death — Synonyms and related words: African lethargy, Asiatic cholera, Chagres fever, German measles, Haverhill fever, acute articular rheumatism, ague, alkali disease, ambulatory plague, amebiasis, amebic dysentery, anthrax, bacillary dysentery, bastard … Moby Thesaurus
Black Rock Desert — ▪ region, Nevada, United States arid region of lava beds and alkali flats composing part of the Basin and Range Province and lying in Humboldt and Pershing counties of northwestern Nevada, U.S. With an area of about 1,000 square miles… … Universalium
black flux — noun metallurgy : a reducing flux composed of powdered carbon and alkali metal carbonate * * * Metall. a reducing flux consisting of finely divided carbon and potassium carbonate … Useful english dictionary
black stock — noun : the dark colored material that in papermaking is discharged from a digester at the end of an alkaline cook of wood chips and contains the fiber, the alkali, and about half the weight of the wood in solution … Useful english dictionary
Fixed alkali — Fixed Fixed (f[i^]kst), a. 1. Securely placed or fastened; settled; established; firm; imovable; unalterable. [1913 Webster] 2. (Chem.) Stable; non volatile. [1913 Webster] {Fixed air} (Old Chem.), carbonic acid or carbon dioxide; so called by Dr … The Collaborative International Dictionary of English
