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rhesus monkey
noun
a macaque monkey, Macaca mulatta , of S Asia: used extensively in medical research
rhesus monkey
A small, yellowish-brown monkey (Macaca mulatta) of India, widely used in biological and medical research. The Rh (Rhesus) factor was first discovered in rhesus monkeys.
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Word History and Origins
Origin of rhesus monkey1
C19: New Latin, arbitrarily from Greek Rhesos Rhesus
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