Having one or a few extra chromosomes (originally also chromosome fragments) in addition to the usual diploid set; containing such cells; also as noun, a hyperdiploid cell or individual.
Origin
1920s; earliest use found in Journal of Heredity. From German hyperdiploide.
Definition of hyperdiploid in US English:
hyperdiploid
adjective
Genetics
Having one or a few extra chromosomes (originally also chromosome fragments) in addition to the usual diploid set; containing such cells; also as noun, a hyperdiploid cell or individual.
Origin
1920s; earliest use found in Journal of Heredity. From German hyperdiploide.