Usage pattern:
the rotation of [something]
The rotation of the Earth on its axis causes day and night.
A Föld tengely körüli forgása okozza a nappalok és az éjszakák váltakozását.
Reduce the fan’s rotation to lower the noise level.
Csökkentsd a ventilátor fordulatszámát, hogy kisebb legyen a zajszint.
A full rotation of the wheel moves the bike several meters.
The engineer measured the rotation of the turbine blades.
Slow rotation of the drum prevents the clothes from getting tangled.
Learner examples
The Earth’s rotation takes about 24 hours.
A Föld tengely körüli forgása körülbelül 24 óráig tart.
The fast rotation of the motor makes a loud sound.
A motor gyors forgása hangos zajt kelt.
One rotation of the hand on a clock means one hour.
The slow rotation of the chair made him feel sick.
Common mistake:
Learners sometimes confuse "rotation" with "revolution" in astronomy. "Rotation" is turning around your own axis (the Earth rotating), while "revolution" is moving around another object (the Earth’s revolution around the Sun).
Meaning
turning around a central axis
Collocations
the rotation of the Earth
|axial rotation
|full rotation
|rotation speed
|rotation period
Synonyms
spin (More informal and general; often used for faster or continuous turning.)
|
revolution (Often used for a complete turn or an orbit around another body, especially in astronomy.)
Antonyms
stillness (Emphasizes the lack of movement or turning.)
Themes
science
|physics
|daily life
|core_vocabulary
Definition
The movement when something turns around a line or point, like a wheel or the Earth spinning.
The movement of something as it turns around a central axis or point.
Usage pattern:
[people] are on a rotation for [task]
The nurses work in a weekly rotation so that everyone does some night shifts.
Az ápolók heti rotációban dolgoznak, így mindenkire jut néhány éjszakai műszak.
We use a rotation of moderators to run the online meetings.
Az online megbeszéléseket rotációs rendszerben más-más moderátor vezeti.
The manager introduced job rotation to give employees broader experience.
Those songs are in heavy rotation on the radio this month.
The cleaning duties follow a clear rotation posted on the wall.
Learner examples
There is a rotation for who cleans the office.
Van beosztás arra, hogy ki takarítja az irodát.
Our team has a rotation for weekend work.
A csapatunknál rotációs beosztás van a hétvégi munkára.
The teacher used a rotation so each student could speak.
These three ads are in rotation on TV.
Common mistake:
Learners sometimes say "change" instead of "rotation" for regular, planned turns (e.g., "We have a change for night duty"). Use "rotation" when the change follows a repeated schedule among several people or things.
Meaning
regular change in order or duties
Collocations
job rotation
|staff rotation
|shift rotation
|in rotation
|on a rotation
Synonyms
alternation (More formal; focuses on taking turns, not on the planned schedule itself.)
Antonyms
fixed assignment (Emphasizes that roles or tasks do not change among people.)
Themes
work
|organization
|daily life
|business
Definition
A plan where people or things take turns in a regular order, often for work or use.
The regular changing of people, tasks, or items according to a planned order or schedule.
Usage pattern:
[team]’s rotation of [players]
Their starting rotation is one of the strongest in the league.
A kezdő rotációjuk a liga egyik legerősebbje.
In volleyball, players must follow the rotation and move to the next position after each side-out.
Röplabdában a játékosoknak követniük kell a forgásrendet, és minden nyitásváltás után tovább kell lépniük a következő pozícióba.
The coach added a rookie to the pitching rotation after the injury.
He moved out of the regular rotation and now only plays in special situations.
The team experimented with a smaller rotation during the playoffs.
Learner examples
The coach changed the team’s rotation.
Az edző megváltoztatta a csapat rotációját.
She joined the starting rotation this season.
Ebben a szezonban bekerült a kezdő rotációba.
There are five pitchers in their rotation.
He is no longer in the main rotation.
Common mistake:
Learners may confuse "rotation" with "formation" in sports. A "formation" is how players are arranged on the field at one time, while a "rotation" is the order or group of players who take turns over time.
Meaning
planned group/order of players
Collocations
starting rotation
|pitching rotation
|in the rotation
|four-man rotation
|solid rotation
Synonyms
lineup (Similar but broader; "lineup" is the whole set of players, while "rotation" is usually the group or order that changes over time, especially pitchers or substitutes.)
Antonyms
fixed lineup (Suggests that the same players start every time, without a changing rotation.)
Definition
In sports, the planned group or order of players who take turns in a position or in games.
In team sports, the defined order or group of players who take turns playing in certain positions or games.
Usage pattern:
on a [department] rotation
During her clinical rotation, she spent eight weeks in pediatrics.
Klinikai rotációja alatt nyolc hetet töltött a gyermekgyógyászaton.
Residents complete rotations in several departments before choosing a specialty.
A rezidensek több osztályon teljesítenek rotációt, mielőtt szakirányt választanak.
He is currently on a cardiology rotation at the teaching hospital.
The graduate program includes a year-long rotation through three different teams.
Students start their first rotation in internal medicine.
Learner examples
I am on a surgery rotation this month.
Ebben a hónapban sebészeti gyakorlaton vagyok.
Medical students do many rotations in the hospital.
Az orvostanhallgatók sok gyakorlatot teljesítenek a kórházban.
She met her mentor during her first rotation.
The company offers a two-year rotation program for new hires.
Common mistake:
Learners sometimes think "rotation" here means physical turning. In education or work, a "rotation" is a time block spent in one place before moving on to another, not a physical movement.
Meaning
temporary training placement
Collocations
clinical rotation
|surgical rotation
|on rotation in [department]
|first-year rotation
|rotation through [department]
Synonyms
placement (Common in British English for a practical work period; less specific about being part of a sequence of departments.)
Antonyms
permanent posting (Highlights that the role is not temporary or part of a series of learning periods.)
Themes
education
|work
|medicine
|health
Definition
A short time when a student or worker is sent to one department to learn and work there, before moving to another department.
A set period spent working or training in a particular department or specialty as part of a larger program, especially in medicine or graduate schemes.
Usage pattern:
a rotation of [angle] about [point]
A 90-degree rotation about the origin maps the point (1, 0) to (0, 1).
Az origó körüli 90 fokos forgatás az (1, 0) pontot a (0, 1) pontba viszi.
The shape has rotational symmetry of order four, meaning a quarter-turn rotation leaves it unchanged.
Az alakzatnak negyedrendű forgásszimmetriája van, vagyis egy negyedfordulatnyi forgatás változatlanul hagyja.
You can represent a rotation in three dimensions using a rotation matrix.
Apply a clockwise rotation of 180 degrees to the triangle.
The algorithm computes the optimal rotation and translation between the two point sets.
Learner examples
The teacher drew a rotation of the triangle.
A tanár lerajzolta a háromszög elforgatását.
After a rotation of 90 degrees, the square looks the same.
Egy 90 fokos elforgatás után a négyzet ugyanúgy néz ki.
We used a rotation to move the shape on the graph.
A half-turn is a rotation of 180 degrees.
Common mistake:
Learners sometimes mix up "rotation" and "translation" in geometry. A "rotation" turns the figure around a point; a "translation" slides it without turning.
Meaning
turning a shape in geometry
Collocations
90-degree rotation
|rotation symmetry
|rotation matrix
|rotation about the origin
|rotation operator
Synonyms
turn (Informal and less precise; used in teaching to explain the idea, but not as exact as the technical term.)
Antonyms
reflection (Another basic transformation that flips a figure instead of turning it.)
Themes
math
|science
|education
Definition
In math, a change where a shape is turned around a point by some degrees.
In mathematics, a transformation that turns a figure around a fixed point by a specified angle and direction.
Usage pattern:
rotation of the [joint/body part]
Limited hip rotation can cause pain during running.
A korlátozott csípőrotáció fájdalmat okozhat futás közben.
The therapist tested external rotation of the shoulder.
A terapeuta megvizsgálta a váll külső rotációját.
Gentle neck rotation can help relieve stiffness.
Full rotation of the wrist was painful after the injury.
The exercise focuses on improving internal rotation of the hip joint.
Learner examples
The doctor checked the rotation of my knee.
Az orvos megvizsgálta a térdem rotációját.
Slow rotation of the neck can relax the muscles.
A nyak lassú forgatása ellazíthatja az izmokat.
He felt pain during rotation of his shoulder.
The therapist said my hip rotation is very tight.
Common mistake:
Learners may confuse this with general "twisting" and use it in casual contexts where a simpler verb is better. Use the technical sense of "rotation" mainly in medical, sports-training, or anatomical descriptions.
Meaning
turning movement of a joint
Collocations
hip rotation
|shoulder rotation
|internal rotation
|external rotation
|range of rotation
Synonyms
twisting (Everyday word; can sound less controlled or more forceful than the neutral technical term "rotation".)
Antonyms
immobilization (Refers to keeping a joint from moving, the opposite of allowing or performing rotation.)
Themes
medicine
|sports
|health
|body
Definition
In medicine or sports, movement where a body part turns around its own line, like turning your arm in or out.
In anatomy and biomechanics, movement in which a bone or body part turns around its long axis or around a joint.