21-letter words containing a, c, i, d, o, m
- stock list department — (in an American stock exchange) the department dealing with monitoring compliance with its listing requirements and rules
- strategic air command — a U.S. Air Force command charged with intercontinental air strikes, especially nuclear attacks.
- thermal decomposition — Thermal decomposition is the process in which a chemical species breaks down when its temperature is increased.
- to kill a mockingbird — a novel (1960) by Harper Lee.