1. Denoting a quantity consisting of 20 items or units
   - twenty, 20

1. (genetics) normal complement of sex chromosomes in a female 
2. The cardinal number that is the sum of nineteen and one
   - twenty, 20

See also: cardinal

Type of: large integer, sex chromosome

Encyclopedia: XX

• congruent
• congruity
• congruous
• congruousness
• congé
• conic
• conic morel
• conic projection
• conic section
• conic Verpa
• conic waxycap
• conical
• conical buoy
• conical projection
• conically
• conidiophore
• conidiospore
• conidium
• conifer
• Coniferales
• Coniferophyta
• Coniferophytina
• Coniferopsida
• coniferous
• coniferous tree