The phrase "aging child" is correct and usable in written English.
It can be used to describe a child who is growing older or experiencing the effects of aging, often in a metaphorical or developmental context.
Example: "The story explores the challenges faced by an aging child as they navigate the complexities of growing up."
Alternatives: "growing child" or "maturing child".
Children still love them, though this aging child doesn't, really.
It's not that he looked especially young; it's just that, even in elementary school, he seemed to be approaching middle age: a thick, hairy neck, powerful body, high forehead and the smiling yet tough expression of an aging child who had already learned a thing or two about this stupid world.
As the aging child star Baby Jane Hudson caring for her ex movie star, wheelchair bound sister (played with aching martyrdom by Joan Crawford), she's the picture of creepy cruel -- spackled white makeup, overdrawn mouth, baby doll ringlets, ratty old robes and little girl clothes (Davis insisted on looking this way -- even director Robert Aldrich was concerned about how scary she appeared).
Hilde sees her relatives as aging children in her care.
The statement, however, did not consider preschool aged children.
One fad among school aged children in Japan is "the 30 minute rule".
Both the feasibility and relevance of quantitative neuromotor tests in preschool aged children were established.
Bonnie, Hans and others attending had school aged children.
ADHD affects 3 10% of school aged children [ 2].
Know that different aged children deal with death differently.
Tone-deafness is the Routan's defining characteristic, and only the accounting department seems not to care: Volkswagen of America wanted its own version of the best-selling Chrysler van to protect itself from currency fluctuations — the Routan rolls out of Chrysler's minivan plant in Windsor, Ontario — and to have a three-row vehicle to offer its aging, child-bearing constituency.
