| 释义 |
Definition of trunnion in English: trunnionnoun ˈtrʌnjənˈtrənjən 1A pin or pivot forming one of a pair on which something is supported. 耳轴，枢轴 Example sentencesExamples - The introduction of trunnions, the pivots in the middle of the barrel permitting it to move independently of the carriage, was a simple but important development.
- The bearings for lower shaft consist of solid bushings fastened into trunnion, and are provided with oil-chamber and capillary felt, making them practically self-oiling and dust-proof.
- The receiver is thicker, and it has a reinforced trunnion.
- The main frame of this machine is fitted at its base with trunnions, which work in a foundation plate.
- Although the compass carries no maker's marks, it is designed to fit across the transit's trunnions and has a pin that fits a hole on the transit.
Synonyms central shaft, fulcrum, axis, axle, swivel, pin, hub, spindle, hinge, pintle, kingpin, gudgeon - 1.1 A supporting cylindrical projection on each side of a cannon or mortar.
炮耳 Example sentencesExamples - At the top of the platform, the turntable and trunnions of the gun mount are still there, but the anti-aircraft machine guns are gone.
- The barrel and breech have been salvaged, so all that remains at the top are a pair of trunnions.
- The gun is fitted with a trunnion mounted telescopic sight for direct firing up to 3,000m.
- As with the machine-gun platform, the turntable and trunnions are intact, but the gun itself is missing.
OriginEarly 17th century: from French trognon 'core, tree trunk', of unknown origin. Definition of trunnion in US English: trunnionnounˈtrənyənˈtrənjən 1A pin or pivot forming one of a pair on which something is supported. 耳轴，枢轴 Example sentencesExamples - Although the compass carries no maker's marks, it is designed to fit across the transit's trunnions and has a pin that fits a hole on the transit.
- The bearings for lower shaft consist of solid bushings fastened into trunnion, and are provided with oil-chamber and capillary felt, making them practically self-oiling and dust-proof.
- The receiver is thicker, and it has a reinforced trunnion.
- The main frame of this machine is fitted at its base with trunnions, which work in a foundation plate.
- The introduction of trunnions, the pivots in the middle of the barrel permitting it to move independently of the carriage, was a simple but important development.
Synonyms central shaft, fulcrum, axis, axle, swivel, pin, hub, spindle, hinge, pintle, kingpin, gudgeon - 1.1 A supporting cylindrical projection on each side of a cannon or mortar.
炮耳 Example sentencesExamples - At the top of the platform, the turntable and trunnions of the gun mount are still there, but the anti-aircraft machine guns are gone.
- The barrel and breech have been salvaged, so all that remains at the top are a pair of trunnions.
- As with the machine-gun platform, the turntable and trunnions are intact, but the gun itself is missing.
- The gun is fitted with a trunnion mounted telescopic sight for direct firing up to 3,000m.
OriginEarly 17th century: from French trognon ‘core, tree trunk’, of unknown origin. |