rotational

adjective

pertaining to circular motion (rotation)

Wiktionary

Pronunciation: /ɹoʊˈteɪʃənəl/

adj

Etymology: Etymology tree English rotation Proto-Indo-European *h₂el-der.? Proto-Italic *-ālis Latin -ālisbor. Old French -albor. ▲ Latin -ālis Old French -elbor. ▲ Latin -ālisbor. Middle English -al English -al English rotational From rotation + -al.

Of, pertaining to or caused by rotation.
“A steam turbine converts heat into rotational motion.”
Having non-zero curl somewhere, i.e. not irrotational

noun

An employee in a job rotation scheme.
“For the new rotationals, the American manager must begin the interview by asking the applicant a few questions of a personal nature about his family, childhood education, philosophy of life, social relationships, hobbies and interests, […]”
“We have found that our future leaders are our current rotationals. We also offer educational assistance for all full-time employees, which pays 100% related to the job or 75% for all other classes.”
Something, such as a joint, that moves by rotating.
“The positioning of the wrist is related to the upper three joints of the robot arm with three degrees of freedom, for the two motions of the shoulder and the one motion of the elbow, all rotationals.”