The noun RHESUS FACTOR has 1 sense: 1. a blood group antigen possessed by Rh-positive people; if an Rh-negative person receives a blood transfusion from an Rh-positive person it can result in hemolysis and anemia. Familiarity information: RHESUS FACTOR used as a noun is very rare.Dictionary entry details.â¢ RHESUS FACTOR (noun).. a blood group antigen possessed by Rh-positive people; if an Rh-negative person receives a blood transfusion from an Rh-positive person it can result in hemolysis and anemia. Familiarity information: RHESUS FACTOR used as a noun is very rare. Dictionary entry details. â¢ RHESUS FACTOR (noun).
TO RETAIN, practice. To engage the services of an attorney or counsellor to manage a cause, at which time it is usual to give him a fee, called the retaining fee. The act by which the attorney is authorized to act in the case is called a retainer. 2.
retention. n. 1. the act of retaining or state of being retained. 2. the capacity to hold or retain liquid. 3. the capacity to remember.etention. n. 1. the act of retaining or state of being retained. 2. the capacity to hold or retain liquid. 3. the capacity to remember.