Tiyin is a word that refers to a currency unit that is used in some countries around the world, such as Kazakhstan, Kyrgyzstan, and Uzbekistan. It is a small denomination, usually equal to one-hundredth of their respective national currencies. There are various synonyms for the word tiyin, depending on the country and language. For example, in Kazakhstan, it is also known as a tiyn, in Uzbekistan, it is som tiyin, and in Kyrgyzstan, it is tyiyn. Other synonyms used in these countries include kopek, pul, and qapik. Regardless of the term used, these coins are still important for daily transactions and are an essential part of the economy in these countries.