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rotation speed vs the rotation speed

Both 'rotation speed' and 'the rotation speed' are correct, but they are used in different contexts. 'Rotation speed' is more commonly used when discussing technical or scientific topics, while 'the rotation speed' is used when referring to a specific, previously mentioned rotation speed.

Last updated: March 22, 2024 • 612 views

rotation speed

This phrase is correct and commonly used, especially in technical or scientific contexts.

This phrase is used to describe the speed at which something is rotating. It is a concise and clear way to convey this information.

Examples:

The rotation speed of the engine is critical for its performance.
The rotation speed of the Earth affects its day-night cycle.

Show examples from the web [+]

engine rotation speed as indicated under item 5.4 of Annex 1.
Takes a rotation speed of approximately two revolutions per second to successfully land that maneuver.
This requirement also applies, in particular, to the settings for idling (rotation speed and carbon monoxide content of the exhaust gases), for the cold start device and for the exhaust gas cleaning system.
The lifting mechanism shall operate free of load, with its drum turning at the rotation speed corresponding to the maximum hook-displacement speed, in the raising and lowering modes.

Alternatives:

rotational speed
speed of rotation
angular velocity
revolutions per minute (RPM)
rotational velocity

the rotation speed

This phrase is correct and is used when referring to a specific rotation speed that has been previously mentioned or is known to the listener.

Use 'the rotation speed' when you want to specify a particular rotation speed that has already been introduced in the conversation or is well-known. It adds a definite article 'the' to emphasize a specific speed.

Examples:

The rotation speed of the motor should not exceed 5000 RPM.
We need to adjust the rotation speed of the drill.

Show examples from the web [+]

The lifting mechanism shall operate free of load, with its drum turning at the rotation speed corresponding to the maximum hook-displacement speed, in the raising and lowering modes.
The speed of the vehicle shall be measured by the speed of rotation of the roller (the front roller in the case of a two-roller dynamometer).
Any lack of or unacceptable variations in the supply voltage and an unacceptable decrease in the speed of rotation of the gyroscope shall be monitored.
You'll have to calculate each jump separately - the speed of rotation, the mass of each person, the angle of trajectory -
The speed of the vehicle shall be measured by the speed of rotation of the rollers connected to the brake flywheels.
Takes a rotation speed of approximately two revolutions per second to successfully land that maneuver.
engine rotation speed as indicated under item 5.4 of Annex 1.
This requirement also applies, in particular, to the settings for idling (rotation speed and carbon monoxide content of the exhaust gases), for the cold start device and for the exhaust gas cleaning system.
Rotation and speed control of gear wheels
Distance between the blades and speed of rotation.
The rotation system, Commissioner, is a bad compromise.
I just signed up for the rotation on the seraphim.
We just got off the rotation.
Or, we could retire it completely from the rotation.
'Cause we could use another pilot in the rotation.
- the rotation and pricing systems imposed are freely accessible under the same conditions to all Member States' carriers.
You only really feel it in the rotation.
We know that the rotation of Eta Carinae is not pointed towards Earth.
These winds, curved by the rotation of the Earth, form gigantic Whirlpools.
In 2003, 21 officials in the rotation exercise were thus reintegrated within EuropeAid.

Alternatives:

that rotation speed
this rotation speed
such rotation speed
a rotation speed
any rotation speed

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