noun
1. the cardinal number that is the sum of nineteen and one
• Syn: ↑twenty, ↑20
• Hypernyms: ↑large integer
2. (genetics) normal complement of sex chromosomes in a female
• Topics: ↑genetics, ↑genetic science
• Hypernyms: ↑sex chromosome
* * *
See powdered sugar.
Useful english dictionary. 2012.