Relating to a cell nucleus in which one chromosome is represented four times while all others are present in the normal number. ... Origin: tetra-+ chromosome ... (05 Mar 2000) ... 
Having one or a few chromosomes tetraploid in otherwise diploid nuclei.
Type: Term Pronunciation: tet′ră-sō′mik Definitions: 1. Relating to a cell nucleus in which one chromosome is represented four times whereas all others are present in the normal number.