The phrase "active secondary" is correct and usable in written English.
It can be used in contexts such as education, linguistics, or any field where a distinction between primary and secondary elements is made, particularly when referring to a secondary role or function that is still engaged or operational.
Example: "In the learning process, the active secondary role of peer feedback can enhance understanding and retention of information."
Alternatives: "engaged secondary" or "dynamic secondary".
In comparing the lymphatic tissues of sub-adult and adult shrews, young animals were generally found to have an activated immune system, as represented by a predominance of large, active, secondary follicles in the spleen and pancreas of Aselli.
The largest fund at Coller Capital, one of the most active secondary buyout investors, has only $4.8 billion to spend.
But more recently, lenders have begun trading their holdings, and a relatively active secondary market for corporate loans has developed.
But an active secondary market tempts some to buy insurance just to sell the policy.
The genus Xylaria has been reported as a rich source of biologically active secondary metabolites.
And there is an active secondary market for some 35 outstanding issues on the Big Board, so investors need not be Merrill Lynch customers to buy LYON's.
Various medical databases were searched for the effects of NS and its active secondary metabolites in asthma inflammation and outcomes.
Herbal remedies were the first medicines used by humans due to the many pharmacologically active secondary metabolites produced by plants.
But Lewis has plenty of help, thanks to a brutish front line and an active secondary that not only forces turnovers but takes the ball and runs with it for great field position or scores.
Since the legalization and introduction of wine auctions in the mid-1990's, New York has pulled abreast of London, long the world's most active secondary market in wine.
Bark contributes to the support of the tree and protects the living tissue of the active secondary phloem and vascular cambium from desiccation and from such environmental disturbances as fire.
