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1. Of or relating to a metacenter.
2. Genetics Having the centromere in the median position so that the arms are of equal length. Used of a chromosome.
A metacentric chromosome.

met′a·cen·tric′i·ty (-sĕn-trĭs′ĭ-tē) n.


(ˌmɛt əˈsɛn trɪk)

(of a chromosome) having the centromere positioned at the center and thereby having the two arms of equal length.
met`a•cen•tric′i•ty (-ˈtrɪs ɪ ti) n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.metacentric - of or relating to the metacentermetacentric - of or relating to the metacenter  
ship building, shipbuilding - the construction of ships
2.metacentric - having two equal arms because of the median position of the centromere; "a metacentric chromosome"
References in periodicals archive ?
An autotetraploid derivative could move to complete metacentricity, but only by fusions between homologues producing when homozygous a pair of pseudoisochromosomes.
The regular mathematical relationship between the number of M and t chromosomes indicates the involvement of fusion and or fission in producing the two extremes of complete metacentricity and complete telocentricity; t-M-t trivalents in a hybrid confirmed the relationships of related M and t's.