Multiploid refers to organisms with more than two sets of chromosomes in their cells. This term is used to describe the genetic makeup of organisms that have undergone polyploidization, a process where normal diploid cells undergo duplication. Some synonyms for multiploid include polyploid, triploid, tetraploid, pentaploid, and hexaploid. Each of these terms reflects the number of sets of chromosomes present in the organism, with triploid referring to three sets, tetraploid referring to four sets, and so on. While multiploidy can sometimes lead to genetic abnormalities, it can also confer advantages such as increased resistance to disease or environmental stress.