breathlessness or shorthess of breath; labored or difficult breathing. It is a sign of a variety of disorders and is primarily an indication of inadequate ventilation or of insufficient amounts of oxygen in the circulating blood. adj., adj dyspneÂ´ic.
CMD may refer to: 1  CMD is commonly used to mean command: 2  CMD.EXE (Command Prompt), the command-line interpreter on Windows operating systems.  Command (computing), an abbreviation commonly used in computing.
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