| 释义 |
ˈnose-cap
[f. nose n. + cap n.1]
1. A metal cap on the nose of a gun-stock.
1844Regul. & Ordin. Army 99 For nose-cap, when supplied by the Armourer..6d. 1860All Year Round No. 71. 500 The stock is divided into the nose-cap, the upper, middle, and lower bands [etc.].
2. Aeronaut.
a. (See quot. 1950.)
1909Kipling Actions & Reactions 112 From her North Atlantic Winter nose-cap (worn bright as diamond with boring through uncounted leagues of hail, snow, and ice) to the inset of her three built-out propeller-shafts is some two hundred and forty feet. 1950Gloss. Aeronaut. Terms (B.S.I.) I. 49 Bow cap (nose cap), a structure forming the extreme forward end of the envelope or hull.
b. (See quots.)
1919Blackburn & Newby All about Aircraft 106 Nose cap, a conical cap placed over the propeller boss to reduce head resistance. 1949Gloss. Aeronaut. Terms (B.S.I.) ii. 19 Nose cap, a boss or hub fairing filled co⁓axially and rotating with the propeller. It does not extend aft of the front of the blade roots.
3. The metal cap on the nose of a shell or bomb which contains the device for setting the time fuse.
1917A. G. Empey Over Top 301 Nosecap, that part of a shell which unscrews and contains the device and scale for setting the time fuse. 1919W. Deeping Second Youth xxix. 244 St. Roman was not a nice place that night, with ‘dud Archies’ and nose-caps falling into it, as well as bombs. 1942‘R. Crompton’ William carries On iii. 65 Rich in nose-caps and time-fuses and casings.
4. A cover protecting the nose.
1973Times Lit. Suppl. 18 May 544/2 The middle-aged on the beaches clearly felt no self-consciousness in wearing little paper nose-caps as protection from the sun. |