rotation

B2 · Upper Intermediate Uncountable noun

n. a system where people or things follow each other in a regular order.

n. a regular, recurring sequence of events, tasks, or personnel assignments.

日本語:ローテーション※

“The doctors at the clinic work on a weekly rotation.”

“The head chef implemented a strict rotation for the kitchen staff to ensure that everyone gained experience at every station.”

C1 · Advanced Uncountable noun Technical

n. how often a song or advertisement is played on the radio or TV.

n. the repeated broadcasting of a specific recording or advertisement within a scheduled period.

“The band's new single is in heavy rotation on all the major radio stations.”

“The marketing agency negotiated for the commercial to remain in high rotation during prime-time viewing hours for the duration of the campaign.”

C1 · Advanced Uncountable noun Aviation Technical

n. the moment during takeoff when the pilot lifts the nose of the plane off the ground.

n. the specific action during the takeoff roll where the pilot applies back-pressure to the controls to lift the nose wheel.

“The pilot reached rotation speed and gently pulled back on the stick.”

“If rotation is attempted before the calculated V-speed is reached, the aircraft may stall or suffer a tail strike on the runway.”

C1 · Advanced Uncountable noun Finance Technical

n. moving money from one type of investment to another as the economy changes.

n. the movement of investment capital from one industry sector or asset class to another in response to economic cycles.

“Investors are starting a rotation out of tech stocks and into energy.”

“Market analysts observed a significant sector rotation as institutional investors moved toward defensive stocks in anticipation of a recession.”