The phrase "a very time consuming process" is correct and usable in written English.
It can be used when describing a task or activity that requires a significant amount of time to complete.
Example: "The project turned out to be a very time consuming process, taking much longer than we initially anticipated."
Alternatives: "a highly time-intensive process" or "an extremely time-consuming task".
Another former drug agency official offered this explanation for the laundering operations: "Building up the evidence to connect the cash to drugs, and connect the first cash pickup to a cartel's command and control, is a very time consuming process.
The creation of a model for the FE analysis of such a structure is a very time consuming process.
It is a very time consuming process with highly variable outcomes for different datasets [ 34].
The functional re-annotation of an entire genome can be a very time consuming process, according to the size of the genome and the criteria applied.
If this occurs, you will need to reinstall the Windows software, which is a very time consuming process.
So it was a very time consuming process".
This is a long and very time consuming process.
An apparent reason for this is the involvement of an error-prone, expensive and very time consuming process of manual labeling of spontaneous emotional expressions [12].
In this work, we present an open source repository of experimental data (for stationary and dynamic conditions) and related information from the literature, which is oriented towards building kinetic modeling and supporting modellers and experimentalists, in the very time consuming process of collection data and corresponding information from different publications.
Because turning up for two minutes during the task and sitting in the boardroom is clearly a very time-consuming process otehrwise.
But this is a very time-consuming process, and the vast bulk of tax changes have no effect on the macroeconomy one way or another.
