Dictionary

rotational en · ADJ

Pronunciation

• /ɹoʊˈteɪʃənəl/ (General-American)
• (US) audio

Etymology

Etymology tree Proto-Indo-European *Hreth₂- Proto-Indo-European *Hróth₂eh₂der. Proto-Italic *rotā Latin rota Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Indo-European *-yéti Proto-Indo-European *-eh₂yéti Proto-Indo-European *-h₂tiinflu. Proto-Italic *-ājō Proto-Italic *-āō Latin -ō Latin rotō Proto-Indo-European *-tis Proto-Indo-European *-Hō Proto-Indo-European *-tiHō Proto-Italic *-tiō Latin -tiō Latin rotātiōbor. English rotation English -al English rotational From rotation + -al.

Meanings

1. (not-comparable) Of, pertaining to or caused by rotation.
   • A steam turbine converts heat into rotational motion.
2. (not-comparable) Having non-zero curl somewhere, i.e. not irrotational

Antonyms

irrotational

Deriveds

rotational energy · rotational axis · rotational dining · microrotational · rotational moulding · vibrotational · rotational molding · isorotational · rotational symmetry · rotationally · pseudorotational · multirotational · nonrotational · magnetorotational · corotational · rotationality · rotational period · stratorotational

Translations (13)

ga rothlach (of, pertaining to or caused by rotation) · it rotazionale (of, pertaining to or caused by rotation) · bg ротационен (of, pertaining to or caused by rotation) · ru враща́тельный (of, pertaining to or caused by rotation) · uk оберто́вий (of, pertaining to or caused by rotation) · de Rotations- (of, pertaining to or caused by rotation) · ca rotacional (of, pertaining to or caused by rotation) · uk оберта́льний (of, pertaining to or caused by rotation) · bg вихров (having non-zero curl) · pl obrotowy (of, pertaining to or caused by rotation) · eo rotacia (of, pertaining to or caused by rotation) · es rotacional (of, pertaining to or caused by rotation) · de Dreh- (of, pertaining to or caused by rotation)

rotational en · NOUN

Pronunciation

• /ɹoʊˈteɪʃənəl/ (General-American)
• (US) audio

Etymology

Etymology tree Proto-Indo-European *Hreth₂- Proto-Indo-European *Hróth₂eh₂der. Proto-Italic *rotā Latin rota Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Indo-European *-yéti Proto-Indo-European *-eh₂yéti Proto-Indo-European *-h₂tiinflu. Proto-Italic *-ājō Proto-Italic *-āō Latin -ō Latin rotō Proto-Indo-European *-tis Proto-Indo-European *-Hō Proto-Indo-European *-tiHō Proto-Italic *-tiō Latin -tiō Latin rotātiōbor. English rotation English -al English rotational From rotation + -al.

Meanings

1. An employee in a job rotation scheme.
   • 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. 2003, Thomas R. Warne, National Cooperative Highway Research Program, Recruiting and Retaining Individuals in State Transportation Agencies, page 51:
   • 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, […] 1995, Oded Shenkar, Global Perspectives of Human Resource Management, page 87:
2. 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. 1982, “Proceedings of the International Conference on Cybernetics and Society”, in IEEE, page 254:

Forms