The phrase "as opposed to parallel" is correct and usable in written English.
It can be used to highlight a contrast between two different concepts or approaches.
Example: "The project will focus on linear development, as opposed to parallel processes that may complicate the workflow."
Alternatives: "in contrast to" or "rather than".
This unique crossover study design allows for meaningful evaluation of safety and pharmacokinetic data in the rare disease field by allowing each subject to serve as their own control and reducing variability as opposed to parallel designs requiring larger sample sizes for statistical comparisons.
Integration of a SM program into usual clinician based care as opposed to parallel delivery has been shown to have a positive impact on adherence to medical therapy and disease activity scores [ 55].
Angling the wheelchair next to the target as opposed to parallel parking provides a space that can be used to pivot the trunk and lower body over to the target surface.
When confined to ultrathin films, the self-assembled cylindrical micelles roll along the shearing direction and align parallel to each other with their axes along the vorticity direction, as opposed to aligning parallel to the shearing direction in the bulk.
Only if you think that the Daily Mail's impact around Downing Street has increased exponentially because its now runs "the world's biggest newspaper online" (as opposed to pursuing a parallel conversation keener on "ample cleavages" than a Dacre boot in some hapless bureaucrat's ribs).
The decision by director Cati Gonzalez to use "real people" (as opposed to seasoned actors) who parallel the lives of the film's characters offers an unvarnished glimpse into the graphic reality of a subject often talked about only in generalized terms.
Andrea Capra maintains that Socrates's conversion to "demotic"—as opposed to metaphorical music in the Phaedo closely parallels the Phaedrus and is apologetic in character, since Socrates was held responsible for dismissing traditional mousikê.
The increase in folding rate with chain length, as opposed to a decrease expected from typical models for globular proteins, is a clear demonstration of parallel pathways.
It is now generally believed that English descant originally involved singing in two parts with an upper voice extemporaneously added to a plainchant, frequently in contrary motion, as opposed to the parallel motion typical of fauxbourdon.
But I think that there's something narcissistic about dismissing one's own juvenilia (as opposed to the parallel narcissism, I guess, of worshipping one's own every written word), and The New Yorker's editing process, in that story and another one, "Flight," really taught me a lot about economy of language.
