Firing order. The firing order is the sequence of power delivery of each cylinder in a multi-cylinder reciprocating engine. This is achieved by sparking of the spark plugs in a gasoline engine in the correct order, or by the sequence of fuel injection in a Diesel engine.
health care provider - a person who helps in identifying or preventing or treating illness or disability. caregiver, health professional, PCP, primary care provider. health profession - the body of individuals whose work helps to maintain the health of their clients.
Full Definition of PHYSICIAN. 1. : a person skilled in the art of healing; specifically: one educated, clinically experienced, and licensed to practice medicine as usually distinguished from surgery. 2. : one exerting a remedial or salutary influence. See physician defined for English-language learners.