| 单词 | airscrew |
| 释义 | > as lemmasairscrew airscrew n. †(a) (in the terminology of R. Hooke) (probably) a prototype flying machine (obsolete rare); †(b) a screw designed to allow the passage of air through it (obsolete rare); (c) a propeller for producing pull or thrust by rotating in the air, esp. one on the nose of an aircraft. ΘΚΠ society > travel > air or space travel > a means of conveyance through the air > aeroplane > parts of aircraft > means of propulsion > [noun] > aircraft engine > propeller airscrew1675 air wheel1832 propeller1842 aeroscrew1902 prop1914 stick1917 1675 R. Hooke Diary 23 Dec. (1935) 203 Mr. Lodowick discoursd about Language. Mr. Wild about flying. I told him of air screw. 1844 U.S. Patent 3537 1/1 The air-screw (D,) is fitted into the hole or canal..leading from the outside of the stuffing box into its substance... The side of the air-screw (D,) is cut out to permit the air freely to pass. 1859 Sci. Amer. 9 Apr. 252/1 I also claim arranging the air screw propeller..at an inclination upward from the keel. 1894 Proc. Internat. Conf. Aerial Navigation Chicago 265 For aeroplanes driven by screw propellers..there must always be two air screws..rotating in opposite directions. 1998 Proc. National Acad. Sci. U.S.A. 95 5450/1 Such hovercraft, propelled by airscrews, have no drag forces associated with the water. < as lemmas |
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