Longman Dictionary English From Longman Dictionary of Contemporary EnglishRelated topics: Human, Illness & disabilityRhesus factorRhe‧sus fac‧tor /ˈriːsəs ˌfæktə $ -tər/ noun [singular] HBHMIa substance that some people have in their bloodExamples from the CorpusRhesus factor• One test will determine your blood group, and another will reveal your Rhesus factor. ldoceonline.com
