wood pulp made from chemically treated and cooked wood fibers and used in the manufacture of better grades of paper.
noun 1. Chemistry. (def 7). noun 1. a process that involves changes in the structure and energy content of atoms, molecules, or ions but not their nuclei Compare nuclear reaction A process in which atoms of the same or different elements rearrange themselves to form a new substance. While they do so, they either absorb […]
noun 1. an allergic sensitivity to particular chemicals in air, food, clothing, water, etc.
- Chemical repair
chemical repair n. Conversion of a free radical to a stable molecule.
- Chemical symbol
noun an abbreviation or short representation of a chemical element; the symbols in the periodic table Examples Natural elements all have chemical symbols of one or two letters; some manmade elements have three-letter symbols.