1. Of a cell or organism having a single set of chromosomes
   - haploid, haploidic

Encyclopedia: Monoploid

• updation
• Updike
• updraft
• upend
• upended
• upending
• upfield
• upfront
• upgradation
• upgrade
• upgrowth
• upheaval
• upheave
• uphill
• uphold
• upholder
• upholster
• upholsterer
• upholstery
• upholstery material
• upholstery needle
• Upjohn
• upkeep
• upland
• upland cotton