chemical symbol

Noun

 * 1)  The 1- to 3-letter international code for a chemical element. It is the same in all languages. Thus, gold always has the chemical symbol "Au", regardless what people call it in their language.
 * 2)  a similar symbol used to denote a different chemical entity, such as an isotope (e.g. D = deuterium, though "$2$H" is preferable ), a radical (e.g. Ph [or Φ] = phenyl), an unknown (e.g. M = a metal, or X = a halogen), etc.

Translations

 * German:
 * Hungarian:
 * Italian:
 * Romanian:
 * Tagalog: kapnayaning halat