The phrase "age of adulthood" is correct and usable in written English.
It can be used to refer to the period in a person's life when they are considered an adult, typically associated with legal rights and responsibilities.
Example: "In many cultures, the age of adulthood is marked by significant ceremonies and celebrations."
Alternatives: "adulthood phase" or "adult age".
Should the legal age of adulthood be lowered or raised?
At 33, the age of adulthood among hobbits, Frodo Baggins receives a magic Ring of Invisibility from his uncle Bilbo.
The panel said Saudi law did not define the age of adulthood, leading to concern that people under 18 may be put to death.
Myanmar has said for years that it will raise the age of adulthood in its domestic law to 18 from 13.
The school said although they understood that the age of adulthood was disputed, "in Islamic Law the health of an individual [was] the first priority".
Nonetheless, for all its apparent simplicity, "Avengers: Age of Ultron" is a serious moviegoing experience — and that seriousness, Whedon's earnest, thoughtful, substantial effort to wrench the comic-book movie into the age of adulthood, is the problem.
Furthermore, although epidemiological data consistently link MDD and physical illness, the strength of this association diminishes with age; impairments at young ages of adulthood are more strongly associated with MDD than those occurring at advanced ages, when some loss in functioning is normative and expected (16).
As our method is based on a distribution of early and late infections that is characteristic of newly diagnosed HIV-1 infections in a population including all ages of adulthood, our method is not applicable to selected age groups, e.g., young adults newly exposed to HIV risk encounters.
For example, no difference was found in the function of the orienting network from 6 years of age to adulthood, the findings indicating that the orienting network as assessed by the ANT remains stable during brain development [ 21], and children with idiopathic generalized epilepsy had no deficit in the orienting network either [ 63].
The normative values, which are used for comparison in the present study, were obtained from 20 male and 15 female Caucasian participants who participated in the Iowa Growth Study from 4 years of age to adulthood.
(Though states where girls can marry below the age of legal adulthood violate this premise, and show the traces of a premodern understanding of marriage as a reproductive contract between extended families that few Americans would say they support today).
