The phrase "a powerful secondary" is correct and usable in written English.
It can be used in contexts where you are describing something that serves as a strong or significant secondary element, such as in a discussion about roles, effects, or components.
Example: "In the marketing strategy, social media plays a powerful secondary role in reaching our target audience."
Alternatives: "a strong secondary" or "a significant secondary".
The way we think about the Apple Watch currently is that it's a powerful secondary screen for your iPhone.
Microsoft's argument, in essence, is that Windows is a term for the window feature of the company's product that, by dint of Microsoft's huge investment, has acquired a powerful "secondary meaning".
The number one stimulus for any economy is not consumer spending, although that is a powerful secondary effect.
Even considering its final message that we are bound to repeat our father's mistakes, symbolically becoming the very people we pushed away the film's historic ties to manliness help give it a powerful secondary meaning.
However, it would be a powerful secondary assay for mutant characterization.
However, the Iron Dukes had improved armour and a more powerful secondary armament of 6-inch weapons instead of the 4-inch mounted on the earlier ships.
She would have fielded three more 16 inches guns than those mounted aboard the Iowa class, a more powerful secondary battery of 5 incaliber caliber Mark 16 dual purpose mounts, and an increase in armor designed to enable Montana to withstand the effects of enemy guns comparable to her own.
The player can use a primary rapid-fire weapon with unlimited ammunition as well as various powerful secondary weapons that consume "power chips" with each use.
Isn't it curious, though, that chemotherapy often accelerates aging, causes sleeplessness and depression, promotes fatigue and anxiety, lowers blood counts, causes the onset of menopause and requires powerful secondary medications to deal with its side effects?
Brief periods of treatment interruption can then simulate 'auto-vaccination' and evoke powerful secondary host immune responses.
To date, only a few studies following trauma hemorrhage have focused on functional and immunological alterations of the spleen as being one of the most powerful secondary immunological organs [ 19- 22].
