1. monoploid - Noun
2. monoploid - Adjective
of a cell or organism having a single set of chromosomes
Source: WordNetThe number of chromosomes in the ancestral (non-homologous) set is called the monoploid number (x), and is distinct from the haploid number (n) in the organism as it now reproduces. Source: Internet
This "base" number – the number of apparently originally unique chromosomes in a haploid set – is called the monoploid number, Langlet, 1927. Source: Internet