I. ˈte.trəˌplȯid adjective
Etymology: International Scientific Vocabulary tetra- + -ploid
: fourfold in appearance or arrangement ; specifically : having or being a chromosome number that is four times the monoploid number
a tetraploid cell
— compare polyploid
• tet·ra·ploi·dic | ̷ ̷ ̷ ̷|plȯidik adjective
II. noun
( -s )
: a tetraploid individual