The phrase "a substantially younger" is correct and usable in written English.
It can be used to describe someone or something that is significantly younger in age compared to another person or thing.
Example: "She is in a relationship with a substantially younger partner, which has raised some eyebrows among their friends."
Alternatives: "considerably younger" or "significantly younger".
However, due to the early onset of familial breast cancer, screening must start at a substantially younger age than in women at average risk.
While about one-third of Mustang buyers in recent years have been under 35 giving the vehicle a substantially younger clientele than that of the average new car we feel the design of the new Mustang is not as successful a resuscitation of a brand name as that of DaimlerChrysler's Chrysler 300 sedan.
She added, however, that the entrepreneur's actual motivation behind the firing was because of his need of having a "substantially younger woman" assist him during his various flights.
13 In the previously cited population-based studies, the incidence of amyloidosis was highest among adults aged 60 80 years; whereas, prior series showed a substantially younger median age at a diagnosis of around 45 55 years.
Because the ADEA prohibits discrimination on the basis of age and not class membership, the fact that a replacement is substantially younger than the plaintiff is a far more reliable indicator of age discrimination than is the fact that the plaintiff was replaced by someone outside the protected class.
Additionally, a study in the elderly can also serve as a control group for case-control comparisons, which overcomes many of the usual challenges of control group identification: Control groups in genetic studies are often enriched for other diseases, e.g. by recruiting from hospitals, or are substantially younger or from a different region or even country than the patient group.
Because persons with PARV4 genotype 1 DNA in their tissues have been substantially younger than those with genotype 2, a recent shift in prevalence of the 2 genotypes has been suggested; genotype 1 currently predominates (4 ).
I realised, however, that the musicians I interviewed were getting substantially younger than me and felt it was not a job where you can age gracefully as a journalist.
You know, those of you who are substantially younger than me probably know this only as an historical note, but if you ask your professors, or administrators, how many of them went to college, went to graduate school, and then went into careers in academic institutions because of the National Defense Education Act, you're going to find 60% or 70% of them are going to raise their hands.
The latter is more reliably indicated by the fact that his replacement was substantially younger than by the fact that his replacement was not a member of the protected class.
The controls were substantially younger (P = 0.009) and hence could not be used as a case-control comparison group for the molecular profiling.
