Monosome is a scientific term used to describe a cell or organism with only one set of chromosomes. There are several synonyms for this word, including haploid, unicellular, and single-nucleus. Haploid refers to cells with one copy of each chromosome, which is common in reproductive cells such as sperm and egg cells. Unicellular, on the other hand, refers to organisms consisting of a single cell, such as bacteria or protozoa. Single-nucleus is another synonym, indicating that the cell contains only one nucleus, which is characteristic of monosomes. Understanding these synonyms is essential in scientific research to describe the characteristics of different types of organisms and cells.