being ten more than twenty, noun_ (genetics) abnormal complement of three X chromosomes in a female, the cardinal number that is the product of ten and three, XXX, The Roman numeral for thirty (30), abbreviation_ An abbreviation for kisses, usually placed at the end of a letter, often placed alongside ooo, or in a text message

An abbreviation for Out of Office, a phrase often used in professional contexts to indicate that someone is unavailable for work (usually because they are on vacation), An abbreviation for hugs, usually placed at the end of a letter or in text messaging; often placed alongside xxx