'has recently defined' is correct and usable in written English.
You can use it when referring to something that has been newly defined. For example: "The UN has recently defined healthcare as a human right."
The clinical community has recently defined the need for stem cell enumeration kits that incorporate viability dyes.
Some were less conventional, at least as the Republican Party has recently defined itself: creating more community health centers, investing in more teacher training, embracing Pell grants.
But it is Anschutz Entertainment, a formidable collection of entertainment venues, sports teams and live event promotions that was formed in 1999, that has recently defined Mr. Anschutz's public image.
The International Agency for Research on Cancer (IARC) has recently defined nickel as a Group 1 "carcinogenic to humans" [10].
In order to enable dynamic control in ANS, 3GPP has recently defined Radio Access Network (RAN) assistance parameters and policies to support dynamic and bi-directional ANS between 3GPP and WLAN networks in Release 12 [12].
Our laboratory has recently defined the survival pathways induced by BLyS in murine B cells [54] and further experiments are in progress to define these pathways in human B cells.
We have recently defined digital phenotyping as the 'moment-by-moment quantification of the individual-level human phenotype in situ using data from personal digital devices' (Torous et al, 2015).
In addition, we examined the involvement of TRPV4 channels in formalin-evoked trigeminal pain behavior because TRPV4 is abundantly expressed in trigeminal ganglion (TG) sensory neurons, and because we have recently defined TRPV4's role in response to airborne irritants and in a model for temporomandibular joint pain.
So when you have the face of someone you've recently defined as the enemy to your self-discovery (or at least the enemy of fun), it makes looking like them a lot harder to appreciate.
Alejandro Cartagena's current independently published output, including Before the War and Headshots, are biting commentaries on the realities that have recently defined contemporary Mexico, including the violent war against the drug cartels and the empty, laughable promises of President Enrique Peña Nieto.
