double digits

n. the range of numerals from 10 though 99. When Billy moved into the double digits, he had some behavior problems, but when he was nineteen he sort of straightened out.

Common Names:

Name	Pronounced	Usage
Wessel	-	Frisian, Dutch, German
Yngve	-	Swedish, Norwegian, Danish
Elisabet	e-LEE-sah-bet (Swedish, Norwegian), E-lee-sah-bet (Finnish)	Swedish, Norwegian, Danish, Finnish, Spanish, Biblical Greek
Kristel	KRIS-təl	English (Rare)
Ruth (1)	ROOTH (English), ROOT (German)	English, German, Dutch, Swedish, Norwegian, Danish, Spanish, Biblical, Biblical Latin
Torrie	['tɔri]