pentaploid

[pen-tuh-ploid]

adjective

1. having a chromosome number that is five times the haploid number.

noun

1. a pentaploid cell or organism.

Other Word Forms

• pentaploidy noun

Word History and Origins

Origin of pentaploid¹

First recorded in 1920–25; penta- + -ploid

Example Sentences

Some of the unisexuals are diploid, others are triploid, others tetraploid, and others pentaploid!

From Scientific American