(n.) The act of turning, rolling, or whirling round.

Rh factor Rh-negative Rh-positive Rh-type Rhesus factor advertisement airing angular momentum angular motion angular velocity announcement antibody antigen arterial blood axial motion bandying blood blood bank blood cell blood count blood donor blood donor center blood group blood grouping blood picture blood platelet blood pressure blood serum blood substitute bloodmobile bloodstream book bowling broadcast broadcasting bruiting bruiting about centrifugation circling circuit circuition circuitousness circuitry circularity circumambience circumambiency circumambulation circumflexion circumgyration circumlocution circummigration circumnavigation circumrotation circumvolution clinical dextran course demonetization devaluation deviance deviancy deviation deviousness dextran diffusion digression display dissemination distribution erythrocyte evulgation excursion excursus flow flowing full circle globulin gore grume gyration gyre gyring hematics hematologist hematology hematoscope hematoscopy hemocyte hemoglobin hemometer humor ichor indirection isoantibody issuance issue issuing leukocyte lifeblood meandering monetization motion neutrophil opsonin orbit orbiting passage periodical phagocyte pivoting plasma plasma substitute printing proclamation promulgation pronouncement propagation publication publishing red corpuscle reeling revaluation revolution roll rolling rotation rotational motion round roundaboutness rounding serum spin spinning spiral spiraling spread spreading spreading abroad swinging swirling swiveling telecasting transmission trolling trundling turbination turn turning type O venous blood ventilation volutation volution wheel wheeling whir whirl whirling white corpuscle