Teh see (also "teh si" or "teh-C") is tea made with evaporated milk as in Singapore and Malaysia. It is sold from kopi stalls and in coffee shops. Tea leaves in a Chinese gaiwan. ... Evaporated milk is a shelf-stable canned milk product with about 60% of the water removed from fresh milk. ...

Similarly, kopi-C is coffee made with evaporated milk.

In the name, "teh" is the Malay word for tea, "kopi" is the word for coffee, and the "see" or "C" derives from the initial letter of "Carnation," which is an internationally known brand name of evaporated milk now manufactured by the Nestlé company. The brand name originated in America when a grocer, E.A. Stuart, and a business partner founded the Pacific Coast Condensed Milk Company in Kent, Washington, on 6 September 1899. A cup of coffee Coffee is one of the most widely consumed beverages in the world. ... Nestlé is a multinational packaged food company. ...

Reference

• A Dictionary of Singlish and Singapore English

Link

• Carnation history