Definition of iron by hydrogen. Meaning of iron by hydrogen. Synonyms of iron by hydrogen

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Definition of iron by hydrogen

iron by hydrogen
4. To bring to a certain state or condition by grinding, pounding, kneading, rubbing, etc.; as, to reduce a substance to powder, or to a pasty mass; to reduce fruit, wood, or paper rags, to pulp. It were but right And equal to reduce me to my dust. --Milton. 5. To bring into a certain order, arrangement, classification, etc.; to bring under rules or within certain limits of descriptions and terms adapted to use in computation; as, to reduce animals or vegetables to a class or classes; to reduce a series of observations in astronomy; to reduce language to rules. 6. (Arith.) (a) To change, as numbers, from one denomination into another without altering their value, or from one denomination into others of the same value; as, to reduce pounds, shillings, and pence to pence, or to reduce pence to pounds; to reduce days and hours to minutes, or minutes to days and hours. (b) To change the form of a quantity or expression without altering its value; as, to reduce fractions to their lowest terms, to a common denominator, etc. 7. (Chem.) To bring to the metallic state by separating from impurities; hence, in general, to remove oxygen from; to deoxidize; to combine with, or to subject to the action of, hydrogen; as, ferric iron is reduced to ferrous iron; or metals are reduced from their ores; -- opposed to oxidize. 8. (Med.) To restore to its proper place or condition, as a displaced organ or part; as, to reduce a dislocation, a fracture, or a hernia. Reduced iron (Chem.), metallic iron obtained through deoxidation of an oxide of iron by exposure to a current of hydrogen or other reducing agent. When hydrogen is used the product is called also iron by hydrogen. To reduce an equation (Alg.), to bring the unknown quantity by itself on one side, and all the known quantities on the other side, without destroying the equation. To reduce an expression (Alg.), to obtain an equivalent expression of simpler form. To reduce a square (Mil.), to reform the line or column from the square. Syn: To diminish; lessen; decrease; abate; shorten; curtail; impair; lower; subject; subdue; subjugate; conquer.

Meaning of iron by hydrogen from wikipedia

- iron ore in a furnace at a high temperature of 800 to 1,200 °C (1,470 to 2,190 °F) in the presence of the reducing gas syngas, a mixture of hydrogen and...
- is produced when hydrogen is burned. Lavoisier produced hydrogen for his experiments on m**** conservation by treating metallic iron with a stream of H2O...
- Iron–hydrogen alloy, also known as iron hydride, is an alloy of iron and hydrogen and other elements. Because of its lability when removed from a hydrogen...
- An iron hydride is a chemical system which contains iron and hydrogen in some ****ociated form. Because of the common occurrence of those two elements in...
- Ferrouranium Ferrovanadium Invar (nickel) Cast iron (carbon) Pig iron (carbon) Iron hydride (hydrogen) Kanthal (20–30% chromium, 4–7.5% aluminium); used...
- An iron–hydrogen resistor consists of a hydrogen-filled gl**** bulb (similar to a light bulb), in which an iron wire is located. This resistor has a positive...
- initiate and propagate, resulting in embrittlement. Hydrogen embrittlement occurs in steels, as well as in iron, nickel, titanium, cobalt, and their alloys....
- Natural hydrogen (also known as white hydrogen, geologic hydrogen, geogenic hydrogen, or gold hydrogen) is molecular hydrogen present on Earth that is...
- Liquid hydrogen (H2(l)) is the liquid state of the element hydrogen. Hydrogen is found naturally in the molecular H2 form. To exist as a liquid, H2 must...
- abundance of chemical elements in the universe is dominated by the large amounts of hydrogen and helium which were produced during Big Bang nucleosynthesis...