Miscellaneous Symbols is a Unicode block (U+2600âU+26FF) containing glyphs representing concepts from a variety of categories, astrological, astronomical, chess, dice, musical notation, political symbols, recycling, religious symbols, trigrams, warning signs, and weather, among others.iscellaneous Symbols is a Unicode block (U+2600âU+26FF) containing glyphs representing concepts from a variety of categories, astrological, astronomical, chess, dice, musical notation, political symbols, recycling, religious symbols, trigrams, warning signs, and weather, among others.
reactant. 1  a person or thing that reacts. 2  Also called interactant. Chemistry. any substance that undergoes a chemical change in a given reaction.
Yousuf Hemani, Engineer, Volunteer, Teacher. Views. reactant: A substance participating in a chemical reaction, especially a directly reacting substance present at the initiation of the reaction. reagent: A substance used in a chemical reaction to detect, measure, examine, or produce other substances. Written May 31, 2012 Â· View Upvotes. More Answers Below.