The phrase "a specific instruction" is correct and usable in written English.
You can use it when referring to a particular directive or guideline that is clear and detailed.
Example: "Please follow a specific instruction provided in the manual to ensure proper assembly of the product."
Alternatives: "a particular directive" or "a detailed guideline".
These gifts were subtracted from an heir's portion of the estate, unless there was a specific instruction to the contrary.
I've heard the word "otherworldly" used a couple of times to describe the music but that wasn't a specific instruction from Jon and Pete.
When the human operator thinks a specific instruction, the corresponding implanted electrode sends a stimulation signal to the rat's brain, making it respond to the commanded direction.
The Independent Police Complaints Commission (IPCC) announced on Wednesday that it was investigating claims that the documents had been destroyed despite a specific instruction that files should be preserved.
A computer system can be broken down into multiple levels or layers to show the translation of a specific instruction into a form that can be directly processed by the computer hardware.
In a replication of the study of students' impressions of evidence about the death penalty, researchers found that even when subjects were given a specific instruction to be objective, they were still inclined to reject evidence that disagreed with their beliefs.
These rules will be deemed incorporated in each competition except to the extent that any specific instruction in a competition (hereafter called the 'competition instructions') provides otherwise, in which case the competition instructions shall take precedence.
A new player, an application specific instruction set processor (ASIP), is capable of this task.
Such data can be used to examine learning progress as a result of specific instruction and feedback, as well as consistency of student phylogenetic tree understanding over time.
Model validation against GTL power simulation and results are given for a typical embedded RISC processor and a commercial-grade Application Specific Instruction Set Processor (ASIP).
"We, as a team, were under specific instruction that no groups of black lads were allowed in.
