The phrase "a virtual lack" is correct and usable in written English.
It can be used to describe a situation where there is an almost complete absence of something, often in a figurative sense.
Example: "The report highlighted a virtual lack of resources available for the project, which hindered its progress."
Alternatives: "an apparent absence" or "a near-total deficiency".
Judge Raggi said she imposed bail conditions that were between the stern ones urged by the prosecution and a virtual lack of limitations suggested by Mr. Fischetti.
The report cited the forced renegotiation of contracts, squeezed profit margins and a virtual lack of financing for speculative real estate ventures.
Safe vaccines against many common nosocomial viral agents are currently unavailable while there is also a virtual lack of effective and affordable chemotherapy against them.
Maize displayed a consistent trend to dramatic reductions in seed dry weight when assimilates produced during seed filling are reduced, but a virtual lack of responsiveness to improvements in potential availability of assimilates per growing seed.
This latter issue led to a virtual lack of any SIBDQ and WPAI UC scores at any visit from patients who participated in any of the four trial sites in Colombia and patients at six of the 16 trial sites in India, and resulted in baseline SIBDQ scores being calculable for only 549 patients (76.6%) and baseline WPAI UC scores calculable for only 322 patients (44.9%) in the acute phase sample.
These mutations result in a virtual lack of glycosylation of α-dystroglycan.
Even though we are well aware that the virtual lack of fossils impede a precise calibration of the molecular clock in red algae, we used divergence rates already published for plants and red algae as an exploratory estimation of the historical events of divergence that have occurred in M. laminarioides.
There is a virtual total lack of data on [neonicitinoid] residues in pollen and nectar".
Despite Siberia's strange location and virtual lack of décor, the bar drew a crowd of loyal regulars dedicated both to Mr. Westmoreland and the free drinks he often handed out.
jp mice have a missense mutation in the Plp1 gene, and they exhibit an intense astrocytic hypertrophy and hyperplasia that accompanies the virtual lack of myelin (Skoff, 1976).
The vast majority of rodent BPs divide only once in a self-consuming manner, generating 2 postmitotic neurons, which indicates their virtual lack of self-renewing potential (Kriegstein and Alvarez-Buylla 2009; Fietz and Huttner 2011).
