a equipped with valves that continuously open to admit air, then close during combustion, giving a pulsating thrust: used to power the V-1, a German buzz bomb, in World War II.
a type of ramjet engine in which air is admitted through movable vanes that are closed by the pressure resulting from each intermittent explosion of the fuel in the combustion chamber, thus causing a pulsating thrust Also called pulsejet engine, pulsojet (ˈpʌlsəʊˌdʒɛt)
- Pulseless disease
pulseless disease pulse·less disease (pŭls’lĭs) n. A progressive inflammatory disease that causes the arteries arising from the aortic arch to collapse, making it impossible to detect a pulse in the arms and neck, and resulting in a variety of symptoms associated with ischemia, such as temporary loss of consciousness. Also called Takayasu’s disease, Takayasu’s syndrome.
- Pulse modulation
noun (electronics) 1. a type of modulation in which a train of pulses is used as the carrier wave, one or more of its parameters, such as amplitude, being modulated or modified in order to carry information 2. the modulation of a continuous carrier wave by means of pulses
- Pulse point
noun a place on the human body where the pulse is easily detected, as on an artery Examples Most people are familiar with the pulse point on the inside of the wrist. Word Origin 1905
noun 1. the pressure of the pulse; the difference between the systolic and diastolic pressures. pulse pressure n. The variation in blood pressure occurring in an artery during the cardiac cycle; the difference between systolic and diastolic pressures.