by rotation vs in rotation

Both "by rotation" and "in rotation" are correct, but they are used in different contexts. "By rotation" is used to indicate something is done in a sequence or order, while "in rotation" is used to describe something moving or being used in a circular or recurring pattern.

Last updated: March 29, 2024 • 914 views

This phrase is correct and commonly used in English.

"by rotation"

This phrase is used to indicate that something is done in a sequence or order, often in a rotating manner.

Examples:

The tasks are assigned by rotation.
The players take turns by rotation.

Show examples from the web [+]

The position of second Vice-president of the ESRB has also been created, entrusted to the President of one of the three authorities by rotation.
We have Mrs Fontaine, the Commission has Mr Prodi, the Council has a Member State government by rotation.
Notwithstanding Article 2, Member States may, for a transitional period up to 1 January 2000, maintain a system of minimum compulsory tariffs and systems of chartering by rotation, provided that:
During the transitional period referred to in Article 3, the following shall not be subject to such systems of chartering by rotation:
Those sampling points shall be inspected and sampled by rotation of 50 % of the sampling points each year.
however, samples will be taken by rotation in 50 % of the fish farms in the continental zone each year;
Within a period of two years from the entry into force of this Directive, Member States involved in systems of chartering by rotation shall take the necessary measures to enable shippers to have a free choice between three types of contract:
During the transitional period referred to in Article 3, Member States shall take the necessary steps to maximize flexibility in the systems of chartering by rotation, in particular:
Considers that holding the JPA session by rotation in EU Member States provides real added value and calls for this rotation to be continued in the future;
(c) 'competent authority' shall mean the authority appointed by the Member State to manage and organize the system of chartering by rotation;
ENISA's mandate expires half-way through next year by rotation.
The third is a director at the Commission, who is selected by rotation from a pool of people.
Mr President, as provided in the Central Bank Statute and the Treaties, we are required to replace the members of the Central Bank's Executive Board by rotation to ensure that it has some continuity in the exercise of its responsibilities.
whereas in June 2001 the presidency of the Baltic Council fell by rotation to Russia for one year; expecting therefore that the Baltic Council will make an active contribution to the creation of international cooperation with the Kaliningrad region,
Call the people by rotation.
The polishing of dehulled grain, e.g. rice, by rotation in drums resulting in a grain with a bright, shiny appearance.
- by providing that single or multiple trips offered twice consecutively under the system of chartering by rotation without finding any takers shall be taken out of that system and be freely negotiated.

Alternatives:

in sequence
in order
in turns
in rotation order
sequentially

This phrase is correct and commonly used in English.

"in rotation"

This phrase is used to describe something moving or being used in a circular or recurring pattern, often in a rotational manner.

Examples:

The tires on the car need to be changed in rotation.
The staff works in rotation to cover all shifts.

Show examples from the web [+]

The collection shows around 450 works in rotation, including paintings, drawings, illustrations and sculptures.
The artists involved (eight permanent members, others in rotation) work independently.
All new supplies will be moved in rotation.
There were three pianists more or less in rotation.
Fresh vegetables, melons and strawberries grown on arable land in rotation with other agricultural crops.
crops grown in rotation with agricultural crops - including pineapple and sweetcorn
Full range of rheological measuring parameters in rotation and oscillation
In addition, the horses have access to collective pens and pastures in rotation.
In fast recovery he keeps good trajectory never going in rotation
At times it builds more nests using them in rotation during the following years.
They sweep every hallway, every room in rotation.
Now, come on, let's get this thing back in rotation.
training of abdominal muscles in rotation which is their main dynamic function;
Flexible test programming in rotation and oscillation
Flexible moving profiles in rotation and oscillation
Every turbine trails its alternator in rotation and this produces energy, which through appropriate wires is sent to the transformers.
For each page visualized on the portal, Store Portal shows different banners, in rotation.
You've worn the same five outfits in rotation for the last six months.
In synergy, you can thinking of monitoring laboratories and their performance on skins through inter-laboratory circuits which interchange analysis in rotation.
(Courtesy Kyoto, Shōkokuji) Given the extremely delicate nature of the paper supports, the exhibition will display 13 pieces in rotation.

Alternatives:

cyclically
recurrently
in a circular pattern
in a rotating manner
in a recurring sequence

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by rotation vs in rotation

"by rotation"

"in rotation"

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