Propulsion
[prə'pʌlʃ(ə)n] or [prə'pʌlʃən]
Definition
(n.) The act driving forward or away; the act or process of propelling; as, steam propulsion.
(n.) An impelling act or movement.
Checked by Groves
Definition
n. act of propelling: a driving forward.—adjs. Propul′sive Propul′sory tending or having power to propel.
Inputed by Alphonso
Examples
- Besides different forms and sizes he tried various materials of construction, and ultimately various means of propulsion. Walter Libby. An Introduction to the History of Science.
- It is stated, that about the year 1787, experiments were made on the river Hull, by Furnace and Ashton, on the propulsion of vessels by steam power. Frederick C. Bakewell. Great Facts.
- Edison believes that there are important advantages possible in the employment of his storage battery for street-car propulsion. Frank Lewis Dyer. Edison, His Life and Inventions.
- The application of steam to the direct propulsion of carriages was a comparatively slow process. Frederick C. Bakewell. Great Facts.
- Recourse was had to the inventions of the ancients, from whom the paddle-wheel was taken, to find some other means of propulsion. Frederick C. Bakewell. Great Facts.
- The most important of the latter is the torpedo, of which the Whitehead, or fish torpedo, which supplies its own means of propulsion, is the best known and most used. Edward W. Byrn. The Progress of Invention in the Nineteenth Century.
- It has found increasing favor for use in marine propulsion, and in 1913 was adapted to high-speed railway service, and put into use in Germany. Various. The Wonder Book of Knowledge.
- Both these plans of propulsion seem feasible in design; but they have hitherto failed in practice. Frederick C. Bakewell. Great Facts.
- In 1818 Denis Johnson secured an English patent for an improved form of this device, but the principle of propulsion remained the same. Edward W. Byrn. The Progress of Invention in the Nineteenth Century.
- Within the last few years application of the Parsons steam turbine has been made to marine propulsion with very remarkable results as to speed. Edward W. Byrn. The Progress of Invention in the Nineteenth Century.
- The application of the electric motor to the propulsion of vehicles dates back to quite an early period. Edward W. Byrn. The Progress of Invention in the Nineteenth Century.
- The application of steam for the propulsion of boats engaged the attention of inventors along with the very earliest development of the steam engine itself. Edward W. Byrn. The Progress of Invention in the Nineteenth Century.
- The splendid epochs will be interpreted as monuments of man's creation, not of his propulsion. Walter Lippmann. A Preface to Politics.
- It should be understood that propulsion of this first Copeland model was not intended to depend solely upon mechanical power, but to be operated in connection with the foot pedals. Various. The Wonder Book of Knowledge.
- A method of propulsion, similar in principle to the action of sculls at the back of a boat, had been contrived long before the inconvenience of paddle-wheels in Steam Navigation was experienced. Frederick C. Bakewell. Great Facts.
Checked by Abram