in chemistry, it would signify some kind of hydrogen/carbon bond
eg: Methane - CH4
$CH or CH$
Ch can stand for channel as in television channel.
CH is the international badge for Switzerland, or Helvetia.
No separate symbol, just the abbreviation "ch".
Switzerland
Evanescence has never stated what their symbol stand for.
Chromium is denoted by the symbol Cr. It is a chemical element with atomic number 24.
It is country domain, like "us" is for United States, "CH" is for Switzerland
I is the chemical symbol for iodine.
It is the gay pride symbol
I is the chemical symbol for iodine.
Danzig helvetia