chemical symbol
arbitrary or conventional sign used in chemistry to represent an element (or sometimes a functional group or a class of elements)
en-GB/ˈkɛmɪkl ˈsɪmbəl/
en-US/ˈkɛmɪkəl ˈsɪmbəl/
arbitrary or conventional sign used in chemistry to represent an element (or sometimes a functional group or a class of elements)